Cluster Messages Mismatch

Test 1 - Test 2:

Test 3 - Test 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, the code will set.

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