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OBD II Fault Code P1044 :

Description of OBD II Fault code P1044

NO.4 INJECTOR CIRCUIT SHORTED

Possible failuer of OBD II Fault code P1044

  • Injector No. 4 low side harness (Short to power, short to ground)
  • Injector No. 4 harness (Between high side and low side short)
  • Injector No. 4 (Internal short)
  • Engine Control Module (ECM) internal failure (Internal short)

Diagnostic Procedure using AutoHex auto Scan tool tester

  • 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 Scan tool 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


Note:

  • AutoHex is a professional OBD /OBD II diagnostic scanner / scan tool tester.
  • 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 OBD scanner

More OBD II Fault codes:

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
OBD II Fault Code P104E
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