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TATA Motors Fault Codes list & Troubleshooting

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S.No FAULT CODE FAULT DESCRIPTION CHECK 1 / RECTIFY 1 CHECK 2 / RECTIFY 2 CHECK 3 / RECTIFY 3 CHECK 4 / RECTIFY 4 CHECK 5 / RECTIFY 5 CHECK 6 / RECTIFY 6 CHECK 7 / RECTIFY 7

 

 

1 P0087 P0087 - Rail pressure low during cranking Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor. Check if there are any physical damages or improper fittments.If there are any Replace the Sensor - Rail assembly ECU connection. 1 ) Key off                                       2) Remove the ECU Connector                                  3) Connect ECU connector Properly                                       4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem If the problem still persists, Replace the Sensor rail assembly If the problem still persists. Replace the ECU

 

2 P0088 P0088 - Rail pressure error (over pressure) Perform diagnostics on the IMV (Fault chart of P0251). In case of electrical problem perform necessary repairs Perform the diagnostics on the HP sensor to find faults P0192 and P0193. Do necessary repairs if the problem is with HP sensor Check the LP circuit. Refer LP check procedure. Perform the neccesary repairs in case of any problem Check the HP circuit. Refer HP check procedure. Perform neccesary repairs in case of any  problem Check the Injector. Perform neccesary repairs in case of any  problem Check the HP pump. Perform neccesary repairs in case of any  problem If the problem still persists. Replace the ECU

 

3 P0101 P0101 - AMF plausibility fault Check is electrical fault for AMF sensor present. If present, follow sensor check procedure check air inlet circuit. Check for tightness of clips, clogging, inverted assembly  If problem persists, replace AMF sensor

 

4 P0102 P0102 - AMF sensor fault - signal Low          Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. ECU connection.                                        1 ) Key off                                                    2) Remove the ECU Connector                                   3) Connect ECU connector Properly                                        4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out in sensor or connector pins If problem still persists. Replace AMF sensor If problem still persists. Replace ECU

 

5 P0103 P0103 - AMS sensor fault - signal High Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. ECU connection.                                        1 ) Key off                                                    2) Remove the ECU Connector                                   3) Connect ECU connector Properly                                        4) Key on and Read the faults Check for Electrical Isolation.     1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out in sensor or connector pins If problem still persists. Replace AMF sensor If problem still persists. Replace ECU

 

6 P0104 AMF sensor - after air filter - gradiant fault Check is electrical fault for AMF sensor present. If present, follow sensor check procedure Check air inlet circuit. Check for tightness of clips, clogging, inverted assembly  If problem persists, replace AMF sensor

 

7 P0107 P0107 - Atmospheric Pressure signal - low Replace the ECU

8 P0108 P0108 - Atmospheric Pressure signal  - High Replace the ECU

9 P0109 P0109 - Atmospheric pressure sensor - electrical fault Replace the ECU

10 P1100 P1100 - AMF sensor VEXT fault                                                      Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. ECU connection.                                        1 ) Key off                                                    2) Remove the ECU Connector                                   3) Connect ECU connector Properly                                        4) Key on and Read the faults Check for Electrical Isolation.        1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out in sensor or connector pins If problem still persists. Replace AMF sensor If problem still persists. Replace ECU

 

11 P0112 P0112 - Air Temperature Signal Low check for vext 1 fault or If P0110 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics.Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the ECU

 

12 P0113 P0113 - Air Temperature signal High check for vext 1 fault or If P0110 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics.Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the ECU

 

13 P0115 P0115 - Coolant Temperature Signal - Generic Check whether fault code P1115 is present ! First deal with fault codes P1115, P0117, P0118 ( Refer Diagnostic tree in group coolant temperature signal -1 ) Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure  Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                        2) Check for electrical short circuit                            3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If still the problem persists, Replace the ECU

 

14 P0116 P0116 - Coolant Temperature Signal - Plausibility            Check whether fault code

P1115 is present ! First deal with fault codes P1115, P0117, P0118 ( Refer Diagnostic tree in group coolant temperature signal -1 ) Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure  Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                        2) Check for electrical short circuit                            3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If still the problem persists, Replace the ECU

 

15 P0117 P0117 - Coolant temperature Signal - low check for vext 1 fault or If P0115 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace ECU. If fault pertains still change the ECU

 

16 P0118 P0118 - Coolant temperature signal - High check for vext 1 fault or If P0115 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace ECU. If fault pertains still change the ECU

 

17 P0119 P0119 - Coolant temperature signal - GRAD check for vext 1 fault or If P0115 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace ECU. If fault pertains still change the ECU

 

18 P0120 P0120 - Limp Home Mode activated                                                Deal with all faults present with the "LIMP HOME" . IMV drive fault, Pedal limp fault, Pedal stuch fault, vext2 fault, p_l_nvm fault, water-in-fuel

 

19 P0122 P0122 - Pedal sensor Track1 signal - low Check for vext 1 fault or If P1120 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Intermediate connector. Remove Intemediate connector between EMS harness and vehicle wiring harness.Check for terminal back out.Do necessary repairs reconnect and check the fault. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace the sensor. Replace the sensor and ensure fault vanishes with new sensor If fault pertains still change the ECU

 

20 P0123 P0123 - Pedal sensor track 1 signal - High Check for vext 1 fault or If P0120 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Intermediate connector. Remove Intemediate connector between EMS harness and vehicle wiring harness.Check for terminal back out.Do necessary repairs reconnect and check the fault. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace the sensor. Replace the sensor and ensure fault vanishes with new sensor If fault pertains still change the ECU

 

21 P0182 P0182 - Fuel temperature signal - low check for vext 1 fault or If P1180 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace ECU. If fault pertains still change the ECU

 

22 P0183 P0183 - Fuel temperature signal - High check for vext 1 fault or If P0180 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace ECU. If fault pertains still change the ECU

 

23 P0192 P0192 - Rail pressure signal - low check for vext 1 fault or If P1190 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Check the high pressure circuit for Leak. Check for leak individually in rail, Hp pipes..Replace the part on any leaks detected. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages replace the sensor - rail assembly and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Problem still persists !. Replace the sensor - Rail assembly and check for faults. Problem still persists! Replace the ECU

 

24 P0193 P0193 - Rail pressure signal - High check for vext 1 fault or If P1190 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Check the high pressure circuit for Leak. Check for leak individually in rail, Hp pipes..Replace the part on any leaks detected. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages replace the sensor - rail assembly and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Problem still persists !. Replace the sensor - Rail assembly and check for faults. Problem still persists! Replace the ECU

 

25 P0194 P0194 - Rail pressure signal - Pressure Drop check for vext 1 fault or If P1190 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Check the high pressure circuit for Leak. Check for leak individually in rail, Hp pipes..Replace the part on any leaks detected. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages replace the sensor - rail assembly and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Problem still persists !. Replace the sensor - Rail assembly and check for faults. Problem still persists! Replace the ECU

 

26 P0201 P0201 - Cylinder no.1 Injector - open circuit                                                                Switch off the ignition.wait for ten seconds.Remove the injector connector check the connection.Connect it properly again. The problem should vanish after the reconnection.                                                       Note: Limit the number of times injector connection is disconnected Check the electrical continuity between the two injector terminals using a multimeter. If the continuity is not there then replace the respective injector with proper care and precaution. Write new Injector I2C values into ECU Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved. Write new Injector I2C values into ECU If the problem still persists. Replace the ECU and check if the problem is solved

 

27 P0202 P0202 - Cylinder no.2 Injector - open circuit Switch off the ignition.wait for ten seconds.Remove the injector connector check the connection.Connect it properly again. The problem should vanish after the reconnection.                                                       Note: Limit the number of times injector connection is disconnected Check the electrical continuity between the two injector terminals using a multimeter. If the continuity is not there then replace the respective injector with proper care and precaution. Write new Injector I2C values into ECU Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved. Write new Injector I2C values into ECU If the problem still persists. Replace the ECU and check if the problem is solved

 

28 P0203 P0203 - Cylinder no.3 Injector - open circuit Switch off the ignition.wait for ten seconds.Remove the injector connector check the connection.Connect it properly again. The problem should vanish after the reconnection.                                                       Note: Limit the number of times injector connection is disconnected Check the electrical continuity between the two injector terminals using a multimeter. If the continuity is not there then replace the respective injector with proper care and precaution. Write new Injector I2C values into ECU Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved. Write new Injector I2C values into ECU If the problem still persists. Replace the ECU and check if the problem is solved

 

29 P0204 P0204 - Cylinder no.4 Injector - open circuit Switch off the ignition.wait for ten seconds.Remove the injector connector check the connection.Connect it properly again. The problem should vanish after the reconnection.                                                       Note: Limit the number of times injector connection is disconnected Check the electrical continuity between the two injector terminals using a multimeter. If the continuity is not there then replace the respective injector with proper care and precaution. Write new Injector I2C values into ECU Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved. Write new Injector I2C values into ECU If the problem still persists. Replace the ECU and check if the problem is solved If problem persists, replace wiring harness If problem persists replace ECU

 

30 P0216 P0216 - current too high on Bank 1 Check injector connections for open or short circuit Disconnect injectors and key on. If problem still present check wiring harness connections If fault dissapears, clear memory and reconnect injectors one by one If problem appears on connecting any injector, replace injector If problem repeats, perform previous steps on other injectors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault

 

31P0222 P0222 - Pedal sensor Track2 signal - low Check for vext 1 fault or If P1120 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensor Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Intermediate connector. Remove Intemediate connector between EMS harness and vehicle wiring harness.Check for terminal back out.Do necessary repairs reconnect and check the fault. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit 


32 P0223 P0223 - Pedal sensor track 2 signal - High Check for vext 1 fault or If P1120 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensor Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Intermediate connector. Remove Intemediate connector between EMS harness and vehicle wiring harness.Check for terminal back out.Do necessary repairs reconnect and check the fault. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace the sensor. Replace the sensor and ensure fault vanishes with new sensor Replace the ECU. If fault pertains still change the ECU

 

33 P0236 P0236 - Boost Pressure Plausibility Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                     2) Check for electrical short circuit                          3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If problem still persists, Replace the Sensor If problem still persists, Replace the ECU

 

34 P0237 P0237 - Boost Pressure Signal  - low check for vext 1 fault or If P0105 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors check air inlet circuit. Check for tightness of clips, clogging, inverted assembly  Check sensor connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages. Replace the sensor and read the errors. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the sensor and ensure fault vanishes with new sensor If the problem still persists.  Change the ECU

 

35 P0238 P0238 - Boost Pressure Signal - High check for vext 1 fault or If P0105 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors check air inlet circuit. Check for tightness of clips, clogging, inverted assembly  Check sensor connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages. Replace the sensor and read the errors. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the sensor and ensure fault vanishes with new sensor If the problem still persists.  Change the ECU

 

36 P0245 P0245 - VGT drive short to Ground Check actuator connection.  Remove and check for oxidation of damage. If so do necessary repair 1)Check electrical open circuit                                     2) Check for electrical short circuit                          3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults If problem persists replace actuator If problem persists, Replace ECU

 

37 P0246 P0246 - VGT drive short to Vbatt Check actuator connection.  Remove and check for oxidation of damage. If so do necessary repair 1)Check electrical open circuit                                     2) Check for electrical short circuit                          3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults If problem persists replace actuator If problem persists, Replace ECU

 

38 P0251 P0251 - IMV drive - short circuit                              Check the IMV connection. Remove the IMV connector and fit it again,Check for loose connection or connector broken.Rectify if loose connection.Change wiring harness if the connector is broken. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace the IMV. Replace the IMV and ensure fault vanishes with new sensor Replace the ECU. If fault pertains still change the ECU

 

39 P0253 P0253 - IMV drive - short circuit to ground Check the IMV connection. Remove the IMV connector and fit it again,Check for loose connection or connector broken.Rectify if loose connection.Change wiring harness if the connector is broken. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace the IMV. Replace the IMV and ensure fault vanishes with new sensor Replace the ECU. If fault pertains still change the ECU

 

40 P0255 P0255 - IMV drive - open circuit. Check the IMV connection. Remove the IMV connector and fit it again,Check for loose connection or connector broken.Rectify if loose connection.Change wiring harness if the connector is broken. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace the IMV. Replace the IMV and ensure fault vanishes with new sensor Replace the ECU. If fault pertains still change the ECU

 

41 P0263 P0263 - Cylinder 1 Combustion imbalance                                                                              Check the cylinder for leaks. Perform necessary repairs Check the inlet ducts. If the inlet ducts are clogged, clean the inlet ducts and check the EGR operation Check tappet condition & valve settting. Perform the neccesary repairs in case of any problem Check the pressure checking fault section for the injector diagnostics. Replace if the Injector is faulty Still the problem persists! Change the ECU

 

42 P0266 P0266 - Cylinder 2 combustion imbalance Check the cylinder for leaks. Perform necessary repairs Check the inlet ducts. If the inlet ducts are clogged, clean the inlet ducts and check the EGR operation Check tappet condition & valve settting. Perform the neccesary repairs in case of any problem Check the pressure checking fault section for the injector diagnostics. Replace if the Injector is faulty Still the problem persists! Change the ECU

 

43 P0269 P0269 - Cylinder 3 combustion imbalance Check the cylinder for leaks. Perform necessary repairs Check the inlet ducts. If the inlet ducts are clogged, clean the inlet ducts and check the EGR operation Check tappet condition & valve settting. Perform the neccesary repairs in case of any problem Check the pressure checking fault section for the injector diagnostics. Replace if the Injector is faulty Still the problem persists! Change the ECU

 

44 P0272 P0272 - Cylinder 4 combustion imbalance Check the cylinder for leaks. Perform necessary repairs Check the inlet ducts. If the inlet ducts are clogged, clean the inlet ducts and check the EGR operation Check tappet condition & valve settting. Perform the neccesary repairs in case of any problem Check the pressure checking fault section for the injector diagnostics. Replace if the Injector is faulty Still the problem persists! Change the ECU

 

45 P0299 P0299 - Boost control error Check boost sensor connection.  Remove and check for oxidation of damage. If so do necessary repair Check correct connection of boost pressure VSV. Should not be connected to EGR VSV controller Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check boost leakage. Check tightness of hoses and connections Check blockage in air inlet circuit - inlet manifold, airfilter. If blockage is noticed, rectify Check turbocharger. If found faulty replace

 

46 P0325 P0325 - Accelerometer - No signal when idling  Sensor Connection . Remove the Sensor connection.connect again and ensure proper fittment. Sensor fittment. Check the tightening torque and the direction of sensor fittment Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out. If any electrical isolation is found do the necessary repair. If problem still persists. Replace the Sensor If problem still persists. Check the ECU

 

47 P0335 P0335 - Engine Speed Signal- loss of signal                                              Sensor Connection. Remove the Sensor connection.connect again and ensure proper fittment. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair Check for metallic particles/burr in sensor tip and flywheel teeth. Clean the sensor and flywheel If problem still persists. Replace the Sensor If problem still persists. Check the Target If problem still persists. Replace the ECU

 

48P0336 P0336 - Engine Speed Signal - loss of gap Sensor Connection. Remove the Sensor connection.connect again and ensure proper fittment. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair Check for metallic particles/burr in sensor tip and flywheel teeth. Clean the sensor and flywheel If problem still persists. Replace the Sensor If problem still persists. Check the Target If problem still persists. Replace the ECU

 

49 P0337 P0337 - Engine Speed Signal - Engine stalled Sensor Connection. Remove the Sensor connection.connect again and ensure proper fittment. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair Check for metallic particles/burr in sensor tip and flywheel teeth. Clean the sensor and flywheel If problem still persists. Replace the Sensor If problem still persists. Check the Target If problem still persists. Replace the ECU

 

50 P0340 P0340 - Cam shaft signal - loss of signal Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If problem still persists. Check the Target,If target is the problem Replace it Check the setting of the timing/pump.  If the timing is not proper adjust the timing If problem still persists. Replace the ECU

 

51 P0341 P0341 - Cam Shaft signal - Synchronisation                      Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If problem still persists. Check the Target,If target is the problem Replace it Check the setting of the timing/pump.  If the timing is not proper adjust the timing If problem still persists. Replace the ECU

 

52 P0371 P0371 - Engine speed signal - too early Sensor Connection. Remove the Sensor - connect again and ensure proper fittment. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found do the necessary repair Check crank sensor to flywheel air gap to be between 0.7 to 1.3 mm. In case of any deviation do corrective action. If problem still persists. Replace the Sensor If problem still persists. Replace the ECU

 

53 P0372 P0372 - Engine speed signal - loss of teeth Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If problem still persists. Replace the Sensor If problem still persists. Check the Target If problem still persists. Replace the ECU

54 P0380 P0380 - glowplug driver fault (module) Check connection of glowplug relay. If connection problem, do necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If problem persiste, replace glowplug relay If problem persists, Replace ECU

 

55 P0400 P0400 - EGR Air error Check for EGR electrical fault P1405. If present, rectify the fault Vacuum hose connections. Check correct and proper connections of vacuum hose to modulator/VSV and EGR valve Vacuum hose condition. Check vacuum hose for pinching, bending or leakage and rectify Check correctness of software - progressive or on-off EGR software corresponding to vehicle. If found to mismatch with vehicle configuration, replace with correct ECU Check blockage in air inlet circuit - inlet manifold, airfilter. If blockage is noticed, rectify If problem still persists. Replace  modulator / VSV If problem still persists. Replace EGR valve If problem still persists. Replace AMF sensor If problem still persists, check vacuum pump efficiency

 

56 P0489 P0489 - EGR solenoid valve control - OC  SC-                  Check the EGR vacuum solenoid valve connection. Perform the necessary repairs if the problem is with the connection 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults If problem still persists. Replace Modulator / VSV If the problem still persists, Replace the ECU

 

57 P0490 P0490 - EGR solenoid valve control - SC+ Check the EGR vacuum solenoid valve connection. Perform the necessary repairs if the problem is with the connection 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults If problem still persists. Replace Modulator / VSV If the problem still persists, Replace the ECU

 

58 P0500 P0500 - Vehicle speed signal - Generic                                                              Confirm vehicle speed is displayed in dash board. If not check continuity from Vehicle speed sensor to dashboard If electrical continuity is Ok. Replace vehicle speed sensor If problem persists. Replace Cluster If vehicle speed is displayed in dashboard. check electrical connection between dashboard and ECU Remove intermediate connector, check pin connection, oxidation or rust. If found to have problem, rectify If problem still persists. Replace ECU

 

59 P0501 P0501 -Vehicle speed signal - Plausibility Confirm vehicle speed is displayed in dash board. If not check continuity from Vehicle speed sensor to dashboard If electrical continuity is Ok. Replace vehicle speed sensor If problem persists. Replace Cluster If vehicle speed is displayed in dashboard. check electrical connection between dashboard and ECU Remove intermediate connector, check pin connection, oxidation or rust. If found to have problem, rectify If problem still persists. Replace ECU

 

60 P0502 P0502 -Vehicle speed signal loss Confirm vehicle speed is displayed in dash board. If not check continuity from Vehicle speed sensor to dashboard If electrical continuity is Ok. Replace vehicle speed sensor If problem persists. Replace Cluster If vehicle speed is displayed in dashboard. check electrical connection between dashboard and ECU Remove intermediate connector, check pin connection, oxidation or rust. If found to have problem, rectify If problem still persists. Replace ECU

 

61 P0503 P0503 - Vehicle speed signal - excessive Confirm vehicle speed is displayed in dash board. If not check continuity from Vehicle speed sensor to dashboard If electrical continuity is Ok. Replace vehicle speed sensor If problem persists. Replace Cluster If vehicle speed is displayed in dashboard. check electrical connection between dashboard and ECU Remove intermediate connector, check pin connection, oxidation or rust. If found to have problem, rectify If problem still persists. Replace ECU

 

62 P0562 P0562 - Battery Voltage Signal - Low Check the battery voltage with the ignition switch on. If the voltage is too low then recharge the battery Check whether the battery terminal's are connected properly and they are tight. If not proper do the necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the charging circuit. In case of any problems in charging do the necessary repair If problem still persists, Replace the ECU

 

63 P0563 P0563 - Battery Voltage Signal - High Check the battery voltage with the ignition switch on. If the voltage is too low then recharge the battery Check whether the battery terminal's are connected properly and they are tight. If not proper do the necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the charging circuit. In case of any problems in charging do the necessary repair If problem still persists, Replace the ECU

 

64 P0571 P0571 - Brake switch sensor-Brake pedal - signal error Check switch connection. If connection problem, do necessary rectification Check 12V switch supply. Check continuity and corresponding fuse Check contact functionality. If contact problem do necessary repair. Otherwise replace brake switch Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem still persists, Replace the ECU

 

65 P0606 P0606 - Watch dog - ECU Reset Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists, Replace the ECU

 

66P0642 P0642 - 5v sensor supply(vext 1) - low Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

67 P0643 P0643 - 5v sensor supply(vext 1) - high Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

68 P0646 P0646 - Air conditioning relay control - short circuit to ground Check the compressor control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists, Replace the ECU

69 P0647 P0647 - Air conditioning relay control - short circuit Check the compressor control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists, Replace the ECU

 

70 P0650 P0650 - MI lamp fault 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check instument cluster

71 P0652 P0652 - 5v sensor supply (vext 1) - low Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

72 P0653 P0653 - 5v sensor supply (vext 2) - high Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

73 P0685 P685 - ECU supply control - Relay Stuck Check the connection of the supply relay. Perform necessary repairs Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found do the necessary repair If problem still persists. Replace the Relay If problem still persists. Replace the ECU

 

74 P0691 P0691 - Low speedfan control - short circuit to earth Check the fan control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in  connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists. Replace the ECU

 

75P0692 P0692 - Low speed fan control - short circuit Check the fan control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists. Replace the ECU

 

76 P0693 P0693 - Electrical fan drive fault - short to ground Check the fan control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists. Replace the ECU

 

77 P0694 P0694 - Electrical fan drive fault - short circuit Check the fan control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists. Replace the ECU

 

78 P0698 P0698 - 2.5V sensor Supply 2Aux fault - High Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

79 P0699 P0699 - 2.5V sensor Supply 2Aux fault - ADC Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

80 P0704 P0704 - Clutch switch electrical fault Check switch connection. If connection problem, do necessary rectification Check 12V switch supply. Check continuity and corresponding fuse Check contact functionality. If contact problem do necessary repair. Otherwise replace brake switch Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem still persists, Replace the ECU

 

81 P1101 P1101 - AMF sensor electrical fault Check for faults P0102, P0103, P1100. If present follow rectification procedure check air inlet circuit. Check for tightness of clips, clogging, inverted assembly 

 

82 P1105 P1105 - Atmospheric Pressure sensor supply - Vext Replace the ECU

83 P1107 P1107 - Atmospheric pressure signal - generic                                                Replace the ECU

84 P1110 P1110 - Air Temperature sensor supply - vext                                                            check for vext 1 fault or If P0110 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics.Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the ECU

 

85 P1115 P1115 - Coolant temperature sensor supply - vext                                          check for vext 1 fault or If P0115 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace ECU. If fault pertains still change the ECU

 

86 P1120 P1120 - Pedal sensor track 1_supply                                                            Check for vext 1 fault or If P1120 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Intermediate connector. Remove Intemediate connector between EMS harness and vehicle wiring harness.Check for terminal back out.Do necessary repairs reconnect and check the fault. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace the sensor. Replace the sensor and ensure fault vanishes with new sensor If fault pertains still change the ECU

 

87 P1121 P1121 - Reduced flow mode activated Deal with all faults present with the "Reduced torque recovery mode". battery fault, egr drive fault, IMV drive fault, pedal fault, rail pr. Electrical fault, vext2 fault, egr feedback fault, egr air error

 

88 P1123 P1123 - Pedal sensor - track 1&2 correlation ( 1 > 2)        Check faults P0120 , P0122, P0123 & P0220, P0222, P0223 and rectify

 

89 P1171 P1171 - Cylinder 1 Injector - MDP Drift                                                                                          Check whether I2C values are entered in ECU. If values show 80 in all the cells, write values found on injectors into ECU using diagnostic tool Check whether I2C entered in ECU matches with sticker on injectors. If values mismatch, write correct values found on injector into the ECU I2C Checking. Write the I2C of the corresponding Injector using the Diagnostic tool, Erase the Fault. switch the Ignition off and on again If the fault is still present, Replace the Injector and write the new I2C into the ECU If the Problem still persists! Replace the ECU

 

90 P1172 P1172 - Cylinder 2 Injector - MDP Drift Check whether I2C values are entered in ECU. If values show 80 in all the cells, write values found on injectors into ECU using diagnostic tool Check whether I2C entered in ECU matches with sticker on injectors. If values mismatch, write correct values found on injector into the ECU I2C Checking. Write the I2C of the corresponding Injector using the Diagnostic tool, Erase the Fault. switch the Ignition off and on again If the fault is still present, Replace the Injector and write the new I2C into the ECU If the Problem still persists! Replace the ECU

 

91 P1173 P1173 - Cylinder 3 Injector - MDP Drift Check whether I2C values are entered in ECU. If values show 80 in all the cells, write values found on injectors into ECU using diagnostic tool Check whether I2C entered in ECU matches with sticker on injectors. If values mismatch, write correct values found on injector into the ECU I2C Checking. Write the I2C of the corresponding Injector using the Diagnostic tool, Erase the Fault. switch the Ignition off and on again If the fault is still present, Replace the Injector and write the new I2C into the ECU If the Problem still persists! Replace the ECU

 

92 P1174 P1174 - Cylinder 3 Injector -  MDP Drift Check whether I2C values are entered in ECU. If values show 80 in all the cells, write values found on injectors into ECU using diagnostic tool Check whether I2C entered in ECU matches with sticker on injectors. If values mismatch, write correct values found on injector into the ECU I2C Checking. Write the I2C of the corresponding Injector using the Diagnostic tool, Erase the Fault. switch the Ignition off and on again If the fault is still present, Replace the Injector and write the new I2C into the ECU If the Problem still persists! Replace the ECU

 

93 P1180 P1180 - Fuel temperature sensor supply - vext                                              check for vext 1 fault or If P1180 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Sensor Characteristics. Measure Voltage (5v) & Resistance at sensor terminals,If not ok Replace sensor Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace ECU. If fault pertains still change the ECU

 

94 P1190 P1190 - Rail pressure sensor supply - vext                                                                                    check for vext 1 fault or If P1190 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors Check the high pressure circuit for Leak. Check for leak individually in rail, Hp pipes..Replace the part on any leaks detected. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages replace the sensor - rail assembly and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Problem still persists !.

Replace the sensor - Rail assembly and check for faults. Problem still persists! Replace the ECU

 

95 P1191 P1191 - Rail Pressure sensor fault(at key on) Perform diagnostics on the IMV (Fault chart of P0251), In case of electrical problem perform necessary repairs Perform the diagnostics on the HP sensor to find faults P0192 and P0193. Do necessary repairs if the problem is with HP sensor Check the LP circuit. Refer LP check procedure, Perform the neccesary repairs in case of any problem Check the HP circuit. Refer HP check procedure. Perform neccesary repairs in case of any  problem Check the Injector. Perform neccesary repairs in case of any  problem Check the HP pump. Perform neccesary repairs in case of any  problem If the problem still persists, Replace the ECU

 

96 P1192 P1192 - Rail pressure - low - when ignition switched on  Sensor Connection. Remove the Sensor - connect again and ensure proper fittment. Visually check sensor. Check if there are any physical damages or improper fittments.If there are any Replace the Sensor - Rail assembly Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem If the problem still persists, Replace the  rail If the problem still persists, Replace the ECU

 

97 P1193 P1193 - Rail pressure - High - when ignition switched on Sensor Connection. Remove the Sensor - connect again and ensure proper fittment. Visually check sensor. Check if there are any physical damages or improper fittments.If there are any Replace the Sensor - Rail assembly Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem If the problem still persists, Replace the  rail If the problem still persists, Replace the ECU

 

98 P1201 P1201 - Cylinder 1 Injector - Short circuit                                                                      Switch off the ignition and check the Injector connection. Perform neccesary repairs if the problem is with the connection Disconnect the injector and check for the fault. If the fault does nt exist then the Injector is faulty - Replace the Injector. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If the problem still persists. Replace the ECU

 

99 P1202 P1202 - Cylinder 2 Injector - Short circuit Switch off the ignition and check the Injector connection. Perform neccesary repairs if the problem is with the connection Disconnect the injector and check for the fault. If the fault does nt exist then the Injector is faulty - Replace the Injector. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If the problem still persists. Replace the ECU

 

100 P1203 P1203 - Cylinder 3 Injector - Short Circuit  Switch off the ignition and check the Injector connection. Perform neccesary repairs if the problem is with the connection Disconnect the injector and check for the fault. If the fault does nt exist then the Injector is faulty - Replace the Injector. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit           


101 P1204 P1204 - Cylinder 4 Injector - Short circuit Switch off the ignition and check the Injector connection. Perform neccesary repairs if the problem is with the connection Disconnect the injector and check for the fault. If the fault does nt exist then the Injector is faulty - Replace the Injector. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                     2) Check for electrical short circuit                         3) Check for any Terminal back out . If any electrical isolation is found do the necessary repair If the problem still persists. Replace the ECU

 

102 P1216 P1216 - current too high on bank 2 Check injector connections for open or short circuit Disconnect injectors and key on. If problem still present check wiring harness connections If fault dissapears, clear memory and reconnect injectors one by one If problem appears on connecting any injector, replace injector If problem repeats, perform previous steps on other injectors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault

 

103 P1220 P1220 - Pedal sensor track 2 - electrical VEXT                                                            Check for vext 1 fault or If P1120 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensor Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Intermediate connector. Remove Intemediate connector between EMS harness and vehicle wiring harness.Check for terminal back out.Do necessary repairs reconnect and check the fault. Visually check sensor.   If there are any physical damages replace the sensor and read the errors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins Replace the sensor. Replace the sensor and ensure fault vanishes with new sensor Replace the ECU. If fault pertains still change the ECU

 

104 P1223 P1223  - Pedal sensor - track 1&2 correlation ( 2 > 1) Check faults P0120 , P0122, P0123 & P0220, P0222, P0223 and rectify

 

105 P1235 P1235 - Boost Pressure sensor supply                                                                                                                                                check for vext 1 fault or If P0105 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors check air inlet circuit. Check for tightness of clips, clogging, inverted assembly  Check sensor connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages. Replace the sensor and read the errors. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the sensor and ensure fault vanishes with new sensor If the problem still persists.  Change the ECU

 

106 P1236 P1236 - Boost Pr (electrical) check for vext 1 fault or If P0105 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors check air inlet circuit. Check for tightness of clips, clogging, inverted assembly  Check sensor connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages. Replace the sensor and read the errors. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the sensor and ensure fault vanishes with new sensor If the problem still persists.  Change the ECU

 

107 P1237 P1237 - Boost pressure signal - low -( when Ignition on) check for vext 1 fault or If P0105 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors check air inlet circuit. Check for tightness of clips, clogging, inverted assembly  Check sensor connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages. Replace the sensor and read the errors. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the sensor and ensure fault vanishes with new sensor If the problem still persists.  Change the ECU

 

108 P1238 P1238 - Boost Pressure Signal High ( When ignition on ) check for vext 1 fault or If P0105 is present. Disconnect the sensors supplied by VEXT one by one and check if fault disappears.If the fault no longer appears then the sensor which is removed is faulty,If the fault still persists after changing all sensors than check Electrical continuity and SC in all resp sensors check air inlet circuit. Check for tightness of clips, clogging, inverted assembly  Check sensor connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Visually check sensor.   If there are any physical damages. Replace the sensor and read the errors. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check for Electrical Isolation.      1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins If the problem still persists. Replace the sensor and ensure fault vanishes with new sensor If the problem still persists.  Change the ECU

 

109 P1253 P1253 - Rail pressure control - Negative error Perform diagnostics on the IMV (Fault chart of P0251). In case of electrical problem perform necessary repairs Perform the diagnostics on the HP sensor to find faults P0192 and P0193. Do necessary repairs if the problem is with HP sensor Check the LP circuit. Refer LP check procedure. Perform the neccesary repairs in case of any problem Check the HP circuit. Refer HP check procedure. Perform neccesary repairs in case of any  problem Check the Injector. Perform neccesary repairs in case of any  problem Check the HP pump. Perform neccesary repairs in case of any  problem If the problem still persists. Replace the ECU

 

110 P1254 P1254 - Rail pressure control - Positive error Perform diagnostics on the IMV (Fault chart of P0251). In case of electrical problem perform necessary repairs Perform the diagnostics on the HP sensor to find faults P0192 and P0193. Do necessary repairs if the problem is with HP sensor Check the LP circuit. Refer LP check procedure. Perform the neccesary repairs in case of any problem Check the HP circuit. Refer HP check procedure. Perform neccesary repairs in case of any  problem Check the Injector. Perform neccesary repairs in case of any  problem Check the HP pump. Perform neccesary repairs in case of any  problem If the problem still persists. Replace the ECU

 

111 P1256 P1256 - Rail pressure control - Trim low and flow low Perform diagnostics on the IMV (Fault chart of P0251). In case of electrical problem perform necessary repairs Perform the diagnostics on the HP sensor to find faults P0192 and P0193. Do necessary repairs if the problem is with HP sensor Check the LP circuit. Refer LP check procedure. Perform the neccesary repairs in case of any problem Check the HP circuit. Refer HP check procedure. Perform neccesary repairs in case of any  problem Check the Injector. Perform neccesary repairs in case of any  problem Check the HP pump. Perform neccesary repairs in case of any  problem If the problem still persists. Replace the ECU

 

112 P1257 P1257 - Rail pressure control - Trim low and flow high Perform diagnostics on the IMV (Fault chart of P0251). In case of electrical problem perform necessary repairs Perform the diagnostics on the HP sensor to find faults P0192 and P0193. Do necessary repairs if the problem is with HP sensor Check the LP circuit. Refer LP check procedure. Perform the neccesary repairs in case of any problem Check the HP circuit. Refer HP check procedure. Perform neccesary repairs in case of any  problem Check the Injector. Perform neccesary repairs in case of any  problem Check the HP pump. Perform neccesary repairs in case of any  problem If the problem still persists. Replace the ECU

 

113 P1258 P1258 - Rail pressure control - Trim high and flow low Perform diagnostics on the IMV (Fault chart of P0251). In case of electrical problem perform necessary repairs Perform the diagnostics on the HP sensor to find faults P0192 and P0193. Do necessary repairs if the problem is with HP sensor Check the LP circuit. Refer LP check procedure. Perform the neccesary repairs in case of any problem Check the HP circuit. Refer HP check procedure. Perform neccesary repairs in case of any  problem Check the Injector. Perform neccesary repairs in case of any  problem Check the HP pump. Perform neccesary repairs in case of any  problem If the problem still persists. Replace the ECU

 

114 P1259 P1259 - Rail pressure control - Trim high and flow high Perform diagnostics on the IMV (Fault chart of P0251). In case of electrical problem perform necessary repairs Perform the diagnostics on the HP sensor to find faults P0192 and P0193. Do necessary repairs if the problem is with HP sensor Check the LP circuit. Refer LP check procedure. Perform the neccesary repairs in case of any problem Check the HP circuit. Refer HP check procedure. Perform neccesary repairs in case of any  problem Check the Injector. Perform neccesary repairs in case of any  problem Check the HP pump. Perform neccesary repairs in case of any  problem If the problem still persists. Replace the ECU

 

115 P1286 P1286 - Cylinder 1 Injector - resistance too low                                                                                                                                Switch off the ignition.wait for ten seconds.Remove the injector and check the injector connection.Connect it properly again. The problem should vanish after the reconnection, If still problem persists identify the defective part and perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved If the problem still persists. Replace the ECU and check if the problem is solved

 

116 P1287 P1287 - Cylinder 1 Injector - resistance too high Switch off the ignition.wait for ten seconds.Remove the injector and check the injector connection.Connect it properly again. The problem should vanish after the reconnection, If still problem persists identify the defective part and perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved If the problem still persists. Replace the ECU and check if the problem is solved

 

117 P1288 P1288 - Cylinder 2 Injector - resistance too low Switch off the ignition.wait for ten seconds.Remove the injector and check the injector connection.Connect it properly again. The problem should vanish after the reconnection, If still problem persists identify the defective part and perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved If the problem still persists. Replace the ECU and check if the problem is solved

 

118 P1289 P1289 - Cylinder 2 Injector - resistance too high Switch off the ignition.wait for ten seconds.Remove the injector and check the injector connection.Connect it properly again. The problem should vanish after the reconnection, If still problem persists identify the defective part and perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved If the problem still persists. Replace the ECU and check if the problem is solved

 

119 P1290 P1290 - Cylinder 3 Injector - resistance too low Switch off the ignition.wait for ten seconds.Remove the injector and check the injector connection.Connect it properly again. The problem should vanish after the reconnection, If still problem persists identify the defective part and perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved If the problem still persists. Replace the ECU and check if the problem is solved

 

120 P1291 P1291 - Cylinder 3 Injector - resistance too high Switch off the ignition.wait for ten seconds.Remove the injector and check the injector connection.Connect it properly again. The problem should vanish after the reconnection, If still problem persists identify the defective part and perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved If the problem still persists. Replace the ECU and check if the problem is solved

 

121 P1292 P1292 - Cylinder 4 Injector - Resistance too low Switch off the ignition.wait for ten seconds.Remove the injector and check the injector connection.Connect it properly again. The problem should vanish after the reconnection, If still problem persists identify the defective part and perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved If the problem still persists. Replace the ECU and check if the problem is solved

 

122 P1293 P1293 - Cylinder 4 Injector - Resistance too high Switch off the ignition.wait for ten seconds.Remove the injector and check the injector connection.Connect it properly again. The problem should vanish after the reconnection, If still problem persists identify the defective part and perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault If the problem still persists. Replace the Injector and check if the problem is solved If the problem still persists. Replace the ECU and check if the problem is solved

 

123 P1526 P1526 - High speed fan control - open circuit                                          Check the fan control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists, Replace the relay and start the actuator test If the problem still persists, Replace the ECU

 

124 P1560 P1560 - Battery Voltage Signal - A/D converter                                                  Check the battery voltage with the ignition switch on. If the voltage is too low then recharge the battery Check whether the battery terminal's are connected properly and they are tight. If not proper do the necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the charging circuit. In case of any problems in charging do the necessary repair If problem still persists, Replace the ECU

 

125 P1571 P1571 - Brake safety signal fault Check switch connection. If connection problem, do necessary rectification Check 12V switch supply. Check continuity and corresponding fuse Check contact functionality. If contact problem do necessary repair. Otherwise replace brake switch Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem still persists, Replace the ECU

 

126 P1572 P1572 - Brake light signal fault Check switch connection. If connection problem, do necessary rectification Check 12V switch supply. Check continuity and corresponding fuse Check contact functionality. If contact problem do necessary repair. Otherwise replace brake switch Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem still persists, Replace the ECU

 

127 P1600 P1600 - Watchdog interference on injector cut off signal                                                        Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists. Replace the ECU

128 P1601 P1601 - CPU or CPU clock Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists. Replace the ECU

 

129 P1602 P1602 - TPU or TPU clock Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists. Replace the ECU

 

130 P1603 P1603 - ECU RAM - CODE                                                                                                Check the ECU Earth, Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists, Replace the ECU

131 P1604 P1604 - ECU RAM - CALIBRATION Check the ECU Earth, Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists, Replace the ECU

 

132 P1605 P1605 - ECU RAM Check the ECU Earth, Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists, Replace the ECU

 

133 P1606 P1606 - Non Volatile memory - Can or KW Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists, Replace the ECU

 

134 P1607 P1607 - Watchdog - Injector cutoff impossible                      Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists, Replace the ECU

 

135 P1608 P1608  -  Watchdog - Injector unlock during startup Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) If Problem persists, Replace the ECU

 

136 P1614 P1614 - Non volatile memory - I2C, MDP                                                                                                    Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) Check I2C values are present in ECU. If all values read 80, enter correct I2C value If problem persists. Replace ECU

 

137 P1615 P1615 - Non volatile memory - configuration Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) Check I2C values are present in ECU. If all values read 80, enter correct I2C value If problem persists. Replace ECU

 

138 P1616 P1616 - Non volatile memory - rail pressure Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) Check I2C values are present in ECU. If all values read 80, enter correct I2C value If problem persists. Replace ECU

 

139 P1617 P1617 - Non volatile memory - SMC cut off Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) Check I2C values are present in ECU. If all values read 80, enter correct I2C value If problem persists. Replace ECU

 

140 P1618 P1618 - Cylinder 2-3 injector HSD                                        Check the Injector connections. If there is some problem in the connection perform the necessary repair. Ign off,Disconnect the injector and check for the fault and switch on the ignition Ignition off.Connect another injector and key on the ingition.Write the corresponding new I2C to the ECU Ignition off.Connect another injector and key on the ingition.Write the corresponding new I2C to the ECU Replace the ECU

141 P1619 P1619 - Cylinder 2-3 injector HSD Check the Injector connections. If there is some problem in the connection perform the necessary repair. Ign off,Disconnect the injector and check for the fault and switch on the ignition Ignition off.Connect another injector and key on the ingition.Write the corresponding new I2C to the ECU Ignition off.Connect another injector and key on the ingition.Write the corresponding new I2C to the ECU Replace the ECU

 

142 P1620 P1620 - Non volatile memory - SC                                                                                              Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) Do fan actuator test. If test fails, replace ECU If problem persists, Replace ECU

 

143 P1621 P1621 - Non volatile memory - Fault manager Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) Do fan actuator test. If test fails, replace ECU If problem persists, Replace ECU

144 P1622 P1622 - Non volatile memory Check the ECU Earth. Check whether the ECU earth is proper.( Check star washer, check whether the earthing is not fully covered by Body paint) Do fan actuator test. If test fails, replace ECU If problem persists, Replace ECU

 

145 P1641 P1641 - 5v supply (vext 1) - A/D converter                                                                                                                                                                                        Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

146 P1646 P1646 - Air conditioning relay control - open circuit                Check the compressor control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in  connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists, Replace the ECU

 

147 P1650 P1650 - Check Engine Lamp 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check instument cluster

148 P1651 P1651  - 5v supply (vext 2) - A/D converter Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

149 P1678 P1678 - Glowplug driver fault - open circuit                  Check connection of glowplug relay. If connection problem, do necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If problem persiste, replace glowplug relay If problem persists, Replace ECU

 

150 P1679 P1679 - Glowplug driver fault - short circuit                          Check connection of glowplug relay. If connection problem, do necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If problem persiste, replace glowplug relay If problem persists, Replace ECU

 

151 P1680 P1680 - Glowplug driver fault - Short to GND                            Check connection of glowplug relay. If connection problem, do necessary repair Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If problem persiste, replace glowplug relay If problem persists, Replace ECU

 

152 P1685 P1685 - ECU supply control - Relay Open Check the supply relay connections. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out .If any electrical isolation is found do the necessary repair Replace the Relay Replace the ECU

 

153 P1691 P1691 - Low speed fan control - open circuit                                          Check the fan control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in  connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists. Replace the ECU

 

154 P1693 P1693 - Fan2 control - open circuit                                          Check the fan control relay connection. If there is some problem in the connection perform the necessary repair. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1)Check electrical open circuit                                            2) Check for electrical short circuit                   3) Check for any Terminal back out in  connector pins. If any electrical isolation is found repair the wiring harness and check for the fault If the problem persists. Replace the relay and start the actuator test If the problem still persists. Replace the ECU

 

155 P1697 P1697 - 2.5V sensor Supply 2Aux fault - Low Check the connection of sensors supplied by vext 1and vext 2 (air flow meter, boost pressure sensor, boost temperature sensor, pedal sensor, cam sensor) . Check the individual connection.Correct in case of any problem. Sensor Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of the lines of all the sensors supplied by vext1 and vext2. Perform neccesary repair in case of any line problem Apply the diagnostic charts to the sensors supplied by vext1 and vext2

 

156 P2009 P2009 - Swirl actuator - short to ground Swirl actuator Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults If problem still persists. Replace Swirl actuator If the problem still persists, Replace the ECU

 

157 P2010 P2010 - Swirl actuator - short to Vbatt Swirl actuator Connection. Remove the Sensor - Check for oxidation - rust, clean and fit it properly again. 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults If problem still persists. Replace Swirl actuator If the problem still persists, Replace the ECU

 

158 P2015 P2015 - Swirl feedback fault Erase fault. Key off and wait for 15 seconds. Key on and check If fault persists, replace ECU

 

159 P2141 P2142 - Intake throttle actuator fault - Short to ground Check the Intake throttle vacuum solenoid valve connection. Perform the necessary repairs if the problem is with the connection 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults If problem still persists. Replace Modulator / VSV If the problem still persists, Replace the ECU

 

160 P2142 P2142 - Intake throttle actuator fault - Short to VBatt Check the Intake throttle vacuum solenoid valve connection. Perform the necessary repairs if the problem is with the connection 1)Check electrical open circuit                                            2) Check for electrical short circuit                                            3) Check for any Terminal back out in Injector or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults If problem still persists. Replace Modulator / VSV If the problem still persists, Replace the ECU

 

161 P2147 Injector Bank 1 fault (electrical) - Low Check injector connections for open or short circuit Disconnect injectors and key on. If problem still present check wiring harness connections If fault dissapears, clear memory and reconnect injectors one by one If problem appears on connecting any injector, replace injector If problem repeats, perform previous steps on other injectors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault

 

162 P2148 Injector Bank 1 fault (electrical) - High Check injector connections for open or short circuit Disconnect injectors and key on. If problem still present check wiring harness connections If fault dissapears, clear memory and reconnect injectors one by one If problem appears on connecting any injector, replace injector If problem repeats, perform previous steps on other injectors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault

 

163 P2150 Injector Bank 2 fault (electrical) - Low Check injector connections for open or short circuit Disconnect injectors and key on. If problem still present check wiring harness connections If fault dissapears, clear memory and reconnect injectors one by one If problem appears on connecting any injector, replace injector If problem repeats, perform previous steps on other injectors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault

 

164 P2151 Injector Bank 2 fault (electrical) - High Check injector connections for open or short circuit Disconnect injectors and key on. If problem still present check wiring harness connections If fault dissapears, clear memory and reconnect injectors one by one If problem appears on connecting any injector, replace injector If problem repeats, perform previous steps on other injectors Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults 1) Check electrical open circuit                                             2) Check for electrical short circuit                                            3) Check for any Terminal back out in sensor or connector pins. If any electrical isolation is found replace the wiring harness and check for the fault

 

165 P2269 P2269 - Water in fuel detected Drain Sedimenter  contents in a bowl and look for water presence in diesel. If water is present, drain complete fuel from sedimenter and filter Check electrical short circuit in wiring from water sensor to ECU. If short circuit is found, rectify the problem If problem persists, Replace sensor If problem still persists, Replace wiring harness If problem still persists, Replace ECU

 

166 P2299 P2299 - Accelerator pedal - stuck - correlation with brake pedal Check whether the accelerator pedal is free to move. If the pedal is jammed replace the Pedal module and recheck Check the brake switch setting . If the problem is with the setting perform the neccesary repairs. Check ECU Connection.                           1 ) Key off                                                    2) Remove the ECU Connector                              3) Connect ECU connector Properly                          4) Key on and Read the faults Check the electrical continuity and insulation of line connected to terminal (2) pin 58 of the ECU. If the problem is with the line perform neccesary repairs. If problem still persists. Replace accelerator pedal If the problem still persists. Replace the Brake switch If the problem still persists. Replace The ECU.