NO PCM BUS MESSAGES RECEIVED
For a complete wiring diagram Refer to Section 8W.
- When Monitored:
With the ignition in the Run/Start position.
- Set Condition:
The Instrument Cluster detects no PCM bus message for 20 seconds. The cluster will illuminate the MIL indicator.
| Possible Causes |
| NO RESPONSE - PCI BUS - PCM |
| INTERMITTENT CONDITION |
Diagnostic Test
1. NO RESPONSE - PCI BUS - PCMTurn the ignition on.
With the scan tool, attempt to communicate with the PCM.
Was the scan tool able to I/D or communicate with the PCM?
Yes
- The condition is not present at this time. Monitor scan tool 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 - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Refer to the COMMUNICATION category for the related symptom(s).
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)