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.
Body Control Module (BCM) Replacement and Reprogramming
If the BCM is replaced or requires reprogramming, the following procedures must be performed in the specified order:
- BCM Setup - Using a scan tool, go to Vehicle Control Systems » Computer/Integrating Systems » Module Setup » Body Control Module. Select Setup BCM and follow the on-screen instructions, making sure to select the proper RPOs and input the VIN correctly.
- BPP Sensor Calibration - Refer to Brake Pedal Position Sensor Calibration
- Program Key Fobs - Refer to Remote Control Door Lock Transmitter Programming
- Setup SDM Part Number in BCM - Using a scan tool, go to Vehicle Control Systems » Computer/Integrating Systems » Module Setup » Body Control Module. Select Setup SDM Part Number in BCM and follow the on-screen instructions.
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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