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): Installation
- To install, reverse the removal procedure.NOTE: Carry out the remaining steps only if installing a new BCM.
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NOTE: The PMI (programmable module installation) application in the scan tool will guide you through completing the BCM (body control module) programming and key programming.
Run the PMI on the BCM.
- After keys have been programmed as directed by the on screen prompts, and the BCM programming has fully completed (as indicated by a module installation complete or successful message), carry out the PATS Module Initialization using the FDRS Scan Tool PATS Application.
- As directed by the scan tool, follow the onscreen prompts to relearn the TPMS sensors. Refer to: Tire Pressure Monitoring System (TPMS) Sensor Location Calibration .
- If equipped with a video rear parking aid (rear mounted only), using a diagnostic scan tool, carry out the LIN New Module Initialization function.
- Using a diagnostic scan tool, carry out the BMS Learned Values Reset.
- Configure the BCM Programmable Parameters. Refer to: Module Programming .
- Using a diagnostic scan tool, carry out the BCM self-test (must include an on-demand self-test) and then repeat the self-test to confirm all DTC have been cleared.
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NOTE: This step only applies to vehicles without a stand-alone PAM (parking assist control module).
Using a diagnostic scan tool, complete the PMI process for the PAM following the on-screen instructions. Refer to: Module Configuration - System Operation and Component Description .
Use the Manual With the Right Hardware
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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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