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, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 585 (MULTIFUNCTION ELECTRONIC MODULES)
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
Section 585 (MULTIFUNCTION Electronic Modules)
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Section 585 (MULTIFUNCTION Electronic Modules)
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.
- Description And Operation
- Diagnosis And Testing
- Auxiliary Switches
- Body Control Module (BCM)
- Diagnostic Trouble Code (DTC) Chart
- Pinpoint Tests
- Pinpoint Test A: U0100:87
- Pinpoint Test B: U0101:87
- Pinpoint Test C: U0121:87
- Pinpoint Test D: U0131:87
- Pinpoint Test E: U0137:87
- Pinpoint Test F: U0151:87
- Pinpoint Test G: U0155:87
- Pinpoint Test H: U0184:87
- Pinpoint Test I: U0198:87
- Pinpoint Test J: U0199:87
- Pinpoint Test K: U0200:87
- Pinpoint Test L: U0208:87
- Pinpoint Test M: U0212:87
- Pinpoint Test N: U0232:87 Or U0233:87
- Pinpoint Test O: U023A:87
- Pinpoint Test P: U0252:87
- Pinpoint Test Q: U0253:87
- Pinpoint Test R: U0256:87
- Pinpoint Test S: U0293:87
- Pinpoint Test T: U1000:00
- Pinpoint Test U: U1A4C:55
- Pinpoint Test V: U2005:85
- Pinpoint Test W: U2100:00, U2101:00 Or U2200:00
- Pinpoint Test X: U3000:49
- Pinpoint Test Y: BCM (Body Control Module) Input Power Voltage Below Threshold
- Pinpoint Test Z: BCM (Body Control Module) Input Power Voltage Above Threshold
- Body Control Module C (BCMC)
- Snow Plow Package
- General Procedures
- Removal And Installation
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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.