No PCM Bus Messages Received

Monitored & Set Condition

1. When Monitored: With the ignition in the Run/Start position.
2. Set Condition: The Instrument Cluster detects no PCM bus messages for 20 seconds. The Instrument Cluster will illuminate the MIL indicator.

Possible Causes:

• No Response PCI Bus PCM
• Intermittent Condition

Testing

1. Turn the ignition on. With the DRBIII(R), attempt to communicate with the PCM. Was the DRBIII(R) able to I/D or communicate with the PCM? If yes, the condition is not present at this time. Monitor DRBIII(R) parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness and connector terminals. Perform BODY VERIFICATION TEST  . If no, refer to COMMUNICATION in DIAGNOSTIC TROUBLE CODE IDENTIFICATION  or SYMPTOM IDENTIFICATION  tables for the related symptom(s).