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

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

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