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OBD II Fault Code P16A4 :

Description of Fault code P16A4

ENGINE CONTROL MODULE (ECM) INTERNAL CIRCUIT MALFUNCTION

Possible failuer P16A4

  • Actuator drive LSI power (Engine Control Module (ECM) internal)

Diagnostic Procedure using AutoHex II Scan Tool

  • By the self-diagnosis of the Actuator drive LSI (the Engine Control Module (ECM) internal), the supply voltage is more than a specified value.
  • By the self-diagnosis of the Actuator drive LSI (the Engine Control Module (ECM) internal), the supply voltage is less than a specified value.

Test Conditions using AutoHex tester

  • Continuously

Clear Fault codes Conditions

  • By the self-diagnosis of the Actuator drive LSI (the Engine Control Module (ECM) internal), the supply voltage is more than a specified value.
  • By the self-diagnosis of the Actuator drive LSI (the Engine Control Module (ECM) internal), the supply voltage is less than a specified value.

MIL Status

  • Check Engine Light ON

Key learning when all keys lost


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 P16A5
OBD II Fault Code P16A6
OBD II Fault Code P16A7
OBD II Fault Code P16A8
OBD II Fault Code P16A9
OBD II Fault Code P16AA
OBD II Fault Code P16AB
OBD II Fault Code P16AC
OBD II Fault Code P16AD
OBD II Fault Code P16AE
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