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.
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HOMESERVICE MANUALSFORD2021TRANSIT-350 HD BASE, VAN CARGO EXTENDED, 3.5L ENG VIN 8, RWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESMULTIFUNCTION ELECTRONIC MODULESDESCRIPTION AND OPERATIONBODY CONTROL MODULE (BCM) - OVERVIEW
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, RWD
Body Control Module (BCM) - Overview
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, RWDSECTION Body Control Module (BCM) - Overview
Body Control Module (BCM)
The BCM controls the following:
- Battery saver function
- Brake shift interlock
- Delayed accessory function
- Dimmable backlighting
- Exterior lighting
- Horn
- Ignition state messaging
- Interior lighting
- PATS
- Perimeter alarm
- Post crash alert function
- Power door locks
- Remote start function (if equipped)
- RKE system
- TPMS
- Transport mode
- Wipers and washers
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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.