DESCRIPTION:
Message not received by CPC.

MONITORED PARAMETER:
CM1 Message

TYPICAL ENABLING CONDITIONS:
Always on

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
2 seconds

DASH LAMPS:
None

ENGINE REACTION:
None

VERIFICATION:
Key cycle

NOTE: If codes 168-0, 168-14, or 168-18 active fix those first.

NOTE: If ECM has been programmed recently, check programming to ensure it is correct.

NOTE: This code is coming from another computer on the vehicle (ABS, Transmission, etc…).