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 332 (EXTERIOR LIGHTING (2 OF 2))
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
Section 332 (Exterior Lighting (2 Of 2))
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Section 332 (Exterior Lighting (2 Of 2))
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnosis And Testing
- Parking, Rear and License Plate Lamps
- DTC Chart: BCM
- Symptom Chart: Parking, Rear and License Plate Lamps
- Pinpoint Tests
- Pinpoint Test A : All The Parking Lamps Are Always On
- Pinpoint Test B : All Front Parking And, If Equipped, Front Side Fender Marker, Grille Marker And Rear Bed Marker Lamps Are Inoperative
- Pinpoint Test C : All Front Parking And, If Equipped, Front Side Fender Marker, Grille Marker And Rear Bed Marker Lamps Are Always On
- Pinpoint Test D : An Individual Front Parking Lamp Is Inoperative - Halogen Headlamps
- Pinpoint Test E : An Individual Front Parking Lamp Is Inoperative - Led (Light Emitting Diode) Or High Intensity Discharge (Hid) Headlamps
- Pinpoint Test F : An Individual Front Side Marker Lamp Is Inoperative Or Always On - Halogen Headlamps
- Pinpoint Test G : An Individual Roof Marker Lamp Is Inoperative
- Pinpoint Test H : An Individual Front Side Fender Marker Or Rear Bed Marker Lamp Is Inoperative
- Pinpoint Test I : An Individual Or All Grille Marker Lamps Only Are Inoperative
- Pinpoint Test J : An Individual Or All Rear Parking, License Plate And, If Equipped, Exterior Mirror, Roof Marker And High-Mounted STOPLAMP Parking Lamps Are Inoperative
- Pinpoint Test K : All Rear Parking, License Plate And, If Equipped, Exterior Mirror, Roof Marker And High-Mounted STOPLAMP Parking Lamps Are Always On
- Pinpoint Test L : An Individual Or Both Exterior Mirror Parking Lamps And/Or The High-Mounted STOPLAMP Parking Lamp Is Inoperative
- Reversing Lamps
- Spot Lamps
- Stoplamps
- Trailer Lamps
- DTC Chart(s)
- Symptom Chart
- Pinpoint Tests
- Pinpoint Test A : All The Trailer Lamps Are Inoperative
- Pinpoint Test B : One Or More Trailer Stop/Turn Lamps Are Inoperative Or Always On - Vehicles Not Equipped With A TRM (Trailer Module)
- Pinpoint Test C : One Or More Trailer Stop/Turn Lamps Are Inoperative Or Always On - Vehicles Equipped With A TRM (Trailer Module)
- Pinpoint Test D : The Trailer Parking Lamps Are Inoperative Or Always On
- Pinpoint Test E : The Trailer Reversing Lamps Are Inoperative Or Always On
- Pinpoint Test F : The Trailer Battery Charging Is Inoperative/Does Not Operate Correctly
- Pinpoint Test G : U0140:00
- Turn Signal and Hazard Lamps
- DTC Chart(s)
- Symptom Chart: Turn Signal and Hazard Lamps
- Pinpoint Tests
- Pinpoint Test A : The Turn Signal Function Is Inoperative Or Always On
- Pinpoint Test B : One Turn Signal Lamp Is Inoperative Or Always On
- Pinpoint Test C : The Hazard Lamp Function Is Inoperative Or Always On
- Pinpoint Test D : The Turn Signal Indicator Flashes Fast When No Turn Signal Lamps Are Inoperative Or Does Not Flash Fast When A Turn Signal Lamp Is Inoperative - Led (Light Emitting Diode) Headlamps Or Rear Lamps
- Parking, Rear and License Plate Lamps
- 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.