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.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.