Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Test
- CHECK FOR ACTIVE B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH
- 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
- Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Diagnosis and Testing and perform U1414-IMPLAUSIBLE/MISSING ECU NETWORK CONFIGURATION DATA diagnostic procedure.
No
- Go to step 3
- With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
- 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
- Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Diagnosis and Testing and perform U1415-IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA diagnostic procedure.
No
- Go to step 4
- With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
- CHECKING FOR LOSS OF COMMUNICATION WITH THE TIPM
- With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) DTCs?
Yes
- Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Diagnosis and Testing and perform U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) diagnostic procedure.
No
- Go to step 6
- With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
- 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 DTC Go To 6
No
- Perform the OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Standard Procedure .
- REPLACE THE ORC 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.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.