Symptom:
VEHICLE BODY STYLE MISMATCH
When Monitored and Set Condition:
VEHICLE BODY STYLE MISMATCH
When Monitored: When the ignition is on, theACM monitors the PCI Bus for the vehicle
body style message from the Powertrain Control Module.
Set Condition: With ignition on, If the ACM does not receive the vehicle Body Style
messages on the bus the code will set.
POSSIBLE CAUSES
PCM, PCI COMMUNICATION FAILURE
WRONG OR MISSING BUS MESSAGE
WRONG VIN OR MISSING VIN
ACM, VEHICLE BODY STYLE MISMATCH
STORED CODE OR INTERMITTENT CONDITION
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 6
NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.
2 Turn the ignition on.
Connect the DRBIIIt to the data link connector and select PASSIVE RESTRAINTS,
AIRBAG, SYSTEM TEST.
With the DRBIIIt, read the PCM Active on the Bus:.
Does the DRB show PCM ACTIVE ON THE BUS:?
All
Yes → Go To 3
No → Refer to category COMMUNICATION CATEGORY and select the
related symptom.
Perform __AIRBAG VERIFICATION TEST - VER 1.
178
AIRBAG
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