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Symptom: NO PCM MESSAGES RECEIVED When Monitored and Set Condition: 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 TEST ACTION APPLICABILITY 1 Turn the ignition on. All Yes → With the DRB, erase DTCs. Cycle the ignition switch and check for DTCs. If DTC resets, replace the RKE Module. No → Go To 2 2 Turn the ignition on. All Yes → Go To 3 No → Refer to the communication category and perform the appropriate symptom. 3 Turn the ignition off. All Yes → Replace the Powertrain Control Module. Perform BODY VERIFICATION TEST - VER 1. No → Repair the PCI Bus circuit for an open. Perform BODY VERIFICATION TEST - VER 1. 251 POWER DOOR LOCKS/RKE |