B223B

B223B-VEHICLE CONFIGURATION MISMATCH





For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation
When powered, the Occupant Restraint Controller (ORC) performs an internal self test. The repair of this fault centers on verifying ORC and Front Control Module (FCM) configuration.
- When Monitored:
With the ignition in the run position and the Front Control Module (FCM) transmitting the Can Bus configuration message to the Occupant Restraint Controller (ORC).

- Set Condition:
This DTC will set if the ORC is not configured for Occupant Classification Module (OCM) but the ORC is receiving OCM messages over the Can Bus.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Restraints System Pre-Diagnostic Procedure.

1. VERIFY THAT DTC B223B-VEHICLE CONFIGURATION MISMATCH IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, read ORC DTCs.

NOTE: Make sure the battery is fully charged.

Does the scan tool display active: B223B-VEHICLE CONFIGURATION MISMATCH?

Yes

- Go To 2

No

- If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- Perform the ORC VERIFICATION TEST. Occupant Restraint Controller (ORC) Verification Test.

2. COMPARE STORED VIN IN THE PCM AND ORC
1. With the scan tool, read and record the VIN that is stored in the PCM.
2. With the scan tool, read and record the VIN that is stored in the ORC.

Does the VIN stored in the PCM and ORC match?

Yes

- WARNING: Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

- WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to follow these instructions may result in possible serious or fatal injury.

- Replace the Occupant Restraint Controller.
- Perform the ORC VERIFICATION TEST. Occupant Restraint Controller (ORC) Verification Test.

No

- Replace and program the Powertrain Control Module. Make sure the PCM is replaced with the correct VIN. . Testing and Inspection