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Symptom: CLUSTER MESSAGE MISMATCH - ACTIVE When Monitored and Set Condition: CLUSTER MESSAGE MISMATCH - ACTIVE When Monitored: After the MIC bulb test is completed, the ACM compares the ACM warning lamp request (On or Off) and the MIC warning lamp state (On or Off) PCI Bus Set Condition: If the ACM warning lamp request (On or Off) and the MIC warning lamp state (On or Off) messages do not match for 3 consecutive transmissions, the code will set. POSSIBLE CAUSES MIC, CLUSTER MESSAGE MISMATCH ACM, CLUSTER MESSAGE MISMATCH TEST ACTION APPLICABILITY 1 Note: Ensure communications with the Mechanical Instrument Cluster. If the MIC t select PASSIVE RESTRAINTS, AIRBAG and MONITOR DIS- PLAY. t, read the Warning Lamp Status monitors. Cycle the ignition key and observe the LAMP ON BY MIC and LAMP REQ BY ACM 9LAMP ON BY MIC9 and 9LAMP REQ BY ACM9 monitors match? All Yes → No → Replace instrument cluster circuit board. 2 WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND All Repair Replace the Airbag Control Module in accordance with Service NOTE: When reconnecting Airbag system components, the ignition must be 17 AIRBAG |