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Symptom: MIC MESSAGES NOT RECEIVED When Monitored and Set Condition: MIC MESSAGES NOT RECEIVED When Monitored: With the ignition in run, and the IOD fuse installed. Set Condition: The BCM does not receive any messages from the Instrument Cluster (MIC) for at least 5 seconds. POSSIBLE CAUSES CHECK FOR DTCS VERIFY DTC ATTEMPT TO COMMUNICATE WITH THE MIC BODY CONTROL MODULE TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read BCM DTC’s. Are any IOD Wakeup Cluster DTC’s set? All Yes → Refer to symptom list for problems related to the IOD wakeup circuit. No → Go To 2 2 Turn the ignition on. t, erase DTC’s. With the DRBIII t, read BCM DTC’s. Did this DTC reset? All Yes → Go To 3 No → The condition that caused this DTC is currently not present. Use the wiring diagrams/schematic as a guide, and inspect the related 3 Turn the ignition on. t, attempt to communicate with the Instrument Cluster (MIC). Was the DRBIII t able to I/D or communicate with the Instrument Cluster (MIC)? All Yes → Go To 4 No → Refer to the Communication category for the related symptom(s). Perform BODY VERIFICATION TEST - VER 1. 473 COMMUNICATION |