No BCM 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 BCM bus message for 6 seconds.

Possible Causes:

• No Response PCI Bus BCM
• Intermittent Condition

Testing

1. Turn the ignition on. With the DRBIII(R), attempt to communicate with the BCM. Was the DRBIII(R) able to I/D or communicate with the BCM? 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  for the related symptom(s).