Cluster Messages Mismatch

Test 1 - 2:

Test 3 - 5:

SYMPTOM

CLUSTER MESSAGE MISMATCH

WHEN MONITORED: After the MIC bulb test is completed, the ACM compares the Lamp Request by ACM, ON or OFF; and the Lamp on by MIC, ON or OFF PCI Bus messages. Each message is transmitted one time per second or when a change in the lamp state occur.

SET CONDITION: If the Lamp Request by ACM, ON or OFF, and the Lamp on by MIC, ON or OFF, messages do not match for 10 seconds, the code will set.

POSSIBLE CAUSES
- MIC diagnostic codes
- Cluster message mismatch
- Stored code or intermittent condition
- ACM, cluster message mismatch
- Active code present