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.
System functions: Notes
The footwell module processes the signals from the doors and controls the lighting. The footwell module is also the interface to the instrument panel. Depending on the equipment version, the footwell module picks up the following signals:
- Ride height sensor
- Reversing light switch
- Brake light switch
- Hazard warning switch
- Light switch
- Driver's door switch block
- Door contacts
- Driver's door lock
The following functions are controlled by the footwell module:
- Communication between the LIN bus and body CAN
- Storing vehicle order
- Exterior mirrors
- Exterior lighting
- Interior lighting
- Central locking system
- Front power windows
NO RELATED
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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.