B222A-VEHICLE LINE MISMATCH

For a complete wiring diagram Refer to Section 8W.

When Monitored:
With the ignition on.
Set Condition:
The Totally Integrated Power Module (TIPM) sends a Bus Message to the Occupant Restraint Controller (ORC) containing the vehicle line but the ORC original VIN does not march the broadcast VIN.

Possible Causes

TOTALLY INTEGRATED POWER MODULE (TIPM)

OCCUPANT RESTRAINT CONTROLLER

Diagnostic Test

1. VERIFY THAT DTC B222A-VEHICLE LINE MISMATCH IS ACTIVE

Turn the ignition on.
With the scan tool, read ORC DTC.

NOTE: Ensure the battery is fully charged.

NOTE: When reconnecting Airbag system components, the ignition must be turned off and the battery must be disconnected.

Does the scan tool display active: B222A-VEHICLE LINE MISMATCH?

Yes

Go To 2

Erase DTC, see if code returns
Perform the *AIRBAG SYSTEM VERIFICATION TEST - VER 1.

2. COMPARE STORED VIN IN THE TIPM AND ORC

With the scan tool in ORC select More Options select ECU Details, compare Original VIN and current VIN.
With the scan tool, read and record the VIN that is stored in the ORC.

Does the stored VIN match the current VIN?

Yes

Go To 3

Replace or reprogram the TIPM in accordance with the Service Information.

3. REPLACE THE OCCUPANT RESTRAINT CONTROLLER

WARNING: To avoid serious or fatal injury, turn the ignition off, disconnect the battery and wait two minutes before proceeding.

WARNING: If the airbag control module is dropped at any time, it must be replaced. Failure to take the proper precautions can result in accidental airbag deployment and serious or fatal injury.

View repair

Repair

Replace the ORC in accordance with the service information.
Perform the *AIRBAG SYSTEM VERIFICATION TEST - VER 1.