Symptom:
CLUSTER MESSAGE MISMATCH
When Monitored and Set Condition:
CLUSTER MESSAGE MISMATCH
When Monitored: After the MIC bulb test is completed, the ACM compares the Lamp
Request byACM, 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
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Ensure the battery is fully charged.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
SELECT ACTIVE or STORED DTC:
All
ACM - ACTIVE DTC
Go To 2
ACM - STORED DTC
Go To 5
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2 Turn the ignition on.
With the DRBIIIt, read the MIC DTCs.
Does the DRBIIIt display any active Diagnostic Codes?
All
Yes → Refer to symptom list for problems related to Instrument Cluster.
No → Go To 3
32
AIRBAG
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