VEHICLE BODY STYLE MISMATCH

For a complete wiring diagram Refer to Section 8W.

When Monitored:
When the ignition is on.
Set Condition:
The Powertrain Control Module (PCM) broadcasts the vehicle Body Style message on the Bus. The Occupant Restraint Controller (ORC) monitors the Bus for this message and will set this DTC if it does not receive this message.
The Occupant Classification Module (OCM) is programmed for a specific body style. Installing a module intended for a different body style (incorrect part number) will set this DTC.

Possible Causes

POWERTRAIN CONTROL MODULE (PCM)

OCCUPANT RESTRAINT CONTROLLER (ORC)

OCCUPANT CLASSIFICATION MODULE (OCM)

Diagnostic Test

1. DETERMINE ACTIVE OR STORED DTC

NOTE: Ensure that the battery is fully charged.

Turn the ignition on.

Select ACTIVE or STORED DTC:

ACTIVE ORC DTC

Go To 2

STORED ORC DTC

Go To 5

2. VERIFY THAT THE PCM IS PROGRAMMED WITH THE CORRECT VIN

With the scan tool, select System Tests and select VIN Verification.
Compare the VIN displayed by the Scan Tool and the VIN on the Vehicle VIN plate.

Does the current VIN match the VIN on the vehicle VIN plate?

Yes

Go To 3

Replace and program the PCM in accordance with the Service Information.
Perform NGC POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).
Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

3. VERIFY THAT THE PCM IS BROADCASTING THE CORRECT BODY STYLE

With the scan tool, check for active DTCs in the ORC.

Does the scan tool display VEHICLE BODY STYLE MISMATCH active DTC?

Yes

WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.
WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
Replace the ORC in accordance with the Service Information.
Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

4. VERIFYING OCM REPLACEMENT PART

With the scan tool, check for active DTCs in the OCM.

Does the scan tool display VEHICLE BODY STYLE MISMATCH active DTC?

Yes

WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and personal injury or death.
WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two minutes before proceeding.
Replace the OCM in accordance with the Service Information.
Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

Perform *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

5. CHECKING STORED OR INTERMITTENT CODES

NOTE: Diagnose and repair all active codes before diagnosing stored codes. Refer to the Table of Contents in this Section for a complete list of airbag system diagnostic procedures.

With the scan tool, record and erase all Airbag System Module DTCs.
Turn the ignition off, wait 15 seconds, then turn the ignition on.
With the scan tool, check for active DTCs in the ORC and OCM.

Does the scan tool display any DTCs?

Yes

Select the appropriate diagnostic procedure from the Table of Contents in the applicable section.

No problem found at this time. Erase all codes before returning vehicle to customer.