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
Ensure ignition is off. Reconnect harness connectors. Position upper mounting tabs of BCM into slots in bracket. Push lower mounting tab into bracket, and snap BCM into place. Reinstall floor board panel. Reconnect negative battery cable. If a new BCM is being installed, reprogram BCM. See BCM PROGRAMMING/RPO CONFIGURATION under PROGRAMMING.
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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.