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)
| Refer to COMPONENT INDEX . |
The BCM is responsible for vehicle configuration deployment and gating messages between CAN networks for system operations.
Outputs
- Gated vehicle speed message to the CVPM
- PRND state to the CVPM
- Ignition state to the CVPM
- Steering wheel angle to the CVPM
- Vehicle configuration - vehicle line, Body style, which cameras are equipped, transfer case type, transfer case state, transmission type and transmission gear state to the CVPM
- Global drive mode status to the CVPM
- Steering factor to the CVPM
- Camera wash response to the CVPM
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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