FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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No PCM Messages Received

Test 1 - 3:






SYMPTOM
NO PCM MESSAGES RECEIVED

WHEN MONITORED
With the ignition on or in the run position.

SET CONDITION
The RKE Module does not receive any PCM messages for 12 seconds.

POSSIBLE CAUSES
- No PCM messages received
- Attempt to communicate with the PCM
- PCI BUS circuit open
- Powertrain control module