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 MANUALSFORD2021EXPEDITION PLATINUM, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 269 (INFORMATION CENTER - INSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMES (2 OF 2))DIAGNOSIS AND TESTINGINSTRUMENTATION, MESSAGE CENTER AND WARNING CHIMESDTC CHARTSDTC CHART: BODY CONTROL MODULE (BCM)
2021 Ford Expedition Platinum, RWD
DTC Chart: Body Control Module (BCM)
2021 Ford Expedition Platinum, RWDSECTION DTC Chart: Body Control Module (BCM)
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
| DTC | Description | Action |
|---|---|---|
| B1048:01 | Brake Fluid Level Switch: General Electrical Failure | GO to Pinpoint Test V |
| B1048:7B | Brake Fluid Level Switch: Low Fluid Level | GO to Pinpoint Test V |
| B10F1:14 | Key In Switch: Circuit Short To Ground or Open | If the chime always sounds, GO to Pinpoint Test BO If the chime never sounds, GO to Pinpoint Test BV |
| C1D00:11 | Park Brake Apply Switch: Circuit Short To Ground | GO to Pinpoint Test V |
| All other DTCs | - | REFER to: Body Control Module (BCM) . |
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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.