Operation CHARM: Car repair manuals for everyone.

B1BAA







B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
While the CAN bus ignition status is IGN_RUN and the Front Control Module (FCM) transmitting the Can Bus Occupant Classification Module (OCM) configuration message to the Occupant Restraint Controller (ORC).

- Set Condition:
This DTC will set if the ORC is not configured for OCM and the OCM is active broadcasting ORC messages on the CAN Bus.





1. DETERMINE ACTIVE OR STORED DTC
With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH DTCs?

Active DTC

- Go To 2

Stored DTC

- Go To 5

2. CHECKING FOR CORRUPT CONFIGURATION MESSAGE
With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active U1414-IMPLAUSIBLE/MISSING ECU NETWORK CONFIGURATION DATA DTCs?

Yes

- Go To U1414.

No

- Go To 3

3. CHECKING FOR LOSS OF CAN BUS CONFIGURATION MESSAGE
With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active U1415-IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA DTCs?

Yes

- Go To U1415-IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA DTC. U1415

No

- Go To 4

4. CHECKING FOR LOSS OF COMMUNICATION WITH THE FCM
With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE DTCs?

Yes

- Go To U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE DTC. U0141

No

- Go To 6

5. VERIFYING STORED B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH DTC
With the scan tool, record and erase all DTCs from the Occupant Restraint Controller.
Turn the ignition off, and wait 15 seconds, then turn the ignition on.
Wait one minute, and read active and stored codes.
Does the scan tool display an active or stored B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH DTCs?

Yes

- For active DTC - Go To 2

Yes

- For stored - Go To 6

No

- Perform *ORC VERIFICATION TEST - VER 1. Occupant Restraint Controller (ORC) Verification Test

6. REPLACE THE ORC

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

WARNING: If the Occupant Restraint Controller (ORC) 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.



Repair

- Replace the ORC.
- Perform *ORC VERIFICATION TEST - VER 1. Occupant Restraint Controller (ORC) Verification Test.