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.
2021 Ford Explorer STFACTORY OEM SERVICE PROCEDURE
Body Control Module C (BCMC)
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
The BCMC controls the following:
- A/C clutch control (if equipped)
- A/C refrigerant distribution valves (if equipped)
- Battery pack coolant control valves
- Delay accessory relay
- Engine coolant bypass valves
- Front blower motor
- Fuel pump relay
- Headlamp washer relay (if equipped)
- Heated rear windows
- Horn relay
- Multi-contour seats (if equipped)
- Power point relays
- Starter relay
- Transmission relay
- Wiper and washer relays
Factory Service Tools
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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