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.
Setup New Body Control Module (BCM)
- The BCM will not function properly if the Setup New BCM procedure is not performed.
- Make sure the battery is fully charged before performing the setup procedure.
- Make sure all disconnected devices and connectors have been reconnected
- Make sure that the VIN that is stored in the new BCM matches the vehicle.
- If the scan tool displays UNABLE TO PROGRAM BCM. BCM IS SECURED, then the BCM must be replaced and this procedure must be repeated on a new BCM
- Turn the ignition switch ON leaving the engine Off.
- Using the Special Functions in the Body Control Module menu on the Scan Tool, perform the following setup procedures in the order they are listed:
- Setup SDM Part Number in BCM
- New VIN
- Option Configuration
- Point of Sale
- After all of the previous procedures are complete proceed with the Theft Deterrent Re-learn procedure. Refer to Programming Theft Deterrent System Components in Theft Deterrent.
- If the scan tool displays UNABLE TO PROGRAM BCM. BCM IS SECURED, then the BCM must be replaced and this procedure must be repeated on a new BCM.
NOTE: After the above procedure has been completed, personalization of the BCM defaults to the factory settings. Inform the customer that the personalization settings must be set again.
- Turn the ignition OFF for 10 seconds.
- Connect the scan tool to the data link connector.
- Turn the ignition ON with the engine OFF.
- Use the scan tool in order to retrieve history DTCs from all modules.
- Clear all history DTCs.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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