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 245 (ENGINE COOLING - 6.2L V8)DIAGNOSIS AND TESTINGENGINE COOLINGDTC CHARTPCM DTC CHART
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
PCM DTC Chart
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION PCM DTC Chart
WARNING: This page is about a different car, the 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.
| DTC | Description | Action |
|---|---|---|
| P0125 | Insufficient Coolant Temp For Closed Loop Fuel Control | GO to Pinpoint Test C |
| P0128 | Coolant Thermostat (Coolant Temp Below Thermostat Regulating Temperature) | GO to Pinpoint Test C |
| P0217 | Engine Coolant Overtemperature Condition | GO to Pinpoint Test B |
| P0480 | Fan 1 Control Circuit | Refer to Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) . |
| P0481 | Fan 2 Control Circuit | Refer to Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) . |
| P1285 | Cylinder Head Overtemperature Condition | GO to Pinpoint Test B |
| P1299 | Cylinder Head Overtemperature Protection Active | GO to Pinpoint Test B |
| All Other PCM Diagnostic Trouble Codes (DTCs) | -- | REFER to: Electronic Engine Controls . |
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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.