PCM Messages Not Received

PCM MESSAGES NOT RECEIVED

For a complete wiring diagram Consult Diagrams/Electrical

- When Monitored:
With the ignition on.

- Set Condition:
This DTC will set if the OHC does not receive PCI bus messages from the PCM for 5 seconds.





Diagnostic Test

1. COMMUNICATION DTC PRESENT
Turn the ignition on.
With the scan tool, attempt to communicate with the PCM.
Was the scan tool able to communicate with the PCM?

Yes

- With the scan tool, erase DTCs. Turn the ignition off, wait 10 seconds, then turn the ignition on. With the scan tool, read DTCs. If this code resets, replace the Overhead Console.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

No

- REFER TO COMMUNICATION. No Response From PCM (Powertrain Control Module)
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test