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Symptom List: NO BCM DIMMING MESSAGES RECEIVED Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be NO BCM DIMMING MESSAGES When Monitored and Set Condition: NO BCM DIMMING MESSAGES RECEIVED When Monitored: With the ignition on. Set Condition: The Dimming and Lamp Code message from the BCM is missing. NO BCM ODOMETER MESSAGES RECEIVED When Monitored: With the ignition on. Set Condition: The Vehicle Odometer message from the BCM is missing. NO BCM PARK BRAKE MESSAGES RECEIVED When Monitored: With the ignition on. Set Condition: The Parking Brake Status message from the BCM is missing. POSSIBLE CAUSES INTERMITTENT CONDITION NO COMMUNICATION WITH BCM PARK ASSIST MODULE TEST ACTION APPLICABILITY 1 With the DRBIII t, Erase DTCs. Cycle the ignition off for at least 1 minute. t under System Tests, perform the Self Test. With the DRBIII t read DTCs. Does this DTC reset? All Yes → Go To 2 No → Go To 4 897 PARK ASSIST SYSTEM |