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OBD II Fault Code P1043 :

Description of Fault code P1043

NO.3 INJECTOR CIRCUIT SHORTED

Possible failuer P1043

  • Injector No.3 low side harness (Short to power, short to ground)
  • Injector No.3 harness (Between high side and low side short)
  • Injector No.3 (Internal short)
  • Engine Control Module (ECM) internal failure (Internal short)

Diagnostic Procedure using AutoHex II

  • When the injector drives, the abnormal pattern of the voltage and the current flow is detected by the injector drive LSI (the Engine Control Module (ECM) internal) for a set period of time.

Test Conditions using AutoHex tester

  • Engine running.
  • Once each Cam Revolution

Clear Fault codes Conditions

  • When the injector drives, the abnormal pattern of the voltage and the current flow is detected by the injector drive LSI (the Engine Control Module (ECM) internal) for a set period of time.

MIL Status

  • Check Engine Light ON

BMW ECU Programming


Note:

  • AutoHex II is a professional Auto diagnostic.
  • This fault code is a GERENRIC fault code, some cars may change the meaning of this fault code.
    To get the accurate fault code description you may use AutoHex II

More Fault codes:

OBD II Fault Code P1044
OBD II Fault Code P1045
OBD II Fault Code P1046
OBD II Fault Code P1047
OBD II Fault Code P1048
OBD II Fault Code P1049
OBD II Fault Code P104A
OBD II Fault Code P104B
OBD II Fault Code P104C
OBD II Fault Code P104D
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