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Symptom: BCM MESSAGES NOT RECEIVED (EXPORT ONLY) When Monitored and Set Condition: BCM MESSAGES NOT RECEIVED (EXPORT ONLY) When Monitored: Continuously with the ignition on. Set Condition: The RKE/Thatcham Alarm Module does not receive any messages from the BCM for at least 5 seconds. POSSIBLE CAUSES INTERMITTENT CONDITION BCM COMMUNICATION FAILURE PCI BUS CIRCUIT OPEN RKE/THATCHAM ALARM MODULE - INTERNAL MALFUNCTION TEST ACTION APPLICABILITY 1 Turn the ignition on. t, attempt to communicate with the BCM. Was the DRBIII t able to communicate with the BCM? All Yes → Go To 2 No → Refer to the Communication category and perform the appropri- ate symptom. 2 Turn the ignition on. t, attempt to communicate with the RKE/Thatcham Alarm Module. Was the DRBIII t able to communicate with the RKE/Thatcham Alarm Module? All Yes → The condition that caused this symptom is currently not present. Inspect the related wiring harness for a possible intermittent No → Go To 3 3 Turn the ignition off. t from the data link connector. Measure the resistance of the PCI Bus circuit between the data link connector and All Yes → Replace the RKE/Thatcham Alarm Module. Perform VTSS VERIFICATION TEST - 1A. No → Repair the PCI Bus circuit for an open. Perform VTSS VERIFICATION TEST - 1A. 947 VEHICLE THEFT/SECURITY |