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 593 (ELECTRONIC ENGINE CONTROLS - 3.0L POWER STROKE DIESEL)DIAGNOSIS AND TESTINGPOWERTRAIN CONTROL MODULE (PCM) INPUT AND OUTPUT CONTROLSDTC CHART(S)DIAGNOSTIC TROUBLE CODE (DTC) CHART
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWD
Diagnostic Trouble Code (DTC) Chart
2021 Ford Transit-350 HD Base, Van Cargo Extended, 3.5L Eng VIN 8, AWDSECTION Diagnostic Trouble Code (DTC) Chart
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.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .
Diagnostic Trouble Code Chart
| Module | DTC | Description | Action |
|---|---|---|---|
| PCM | P0601:00 | Internal Control Module Memory Checksum Error: No Sub Type Information | GO to Pinpoint Test Y |
| PCM | P0602:00 | Powertrain Control Module Programming Error: | GO to Pinpoint Test D |
| PCM | P0607:00 | Control Module Performance: | GO to Pinpoint Test E |
| PCM | P0611:00 | Fuel Injector Control Module Performance: | GO to Pinpoint Test F |
| PCM | P062F:00 | Internal Control Module EEPROM Error: No Sub Type Information | GO to Pinpoint Test Y |
| PCM | P0630:00 | VIN Not Programmed Or Incompatible - ECM/PCM: | GO to Pinpoint Test G |
| PCM | P0642:00 | Sensor Reference Voltage A Circuit Low: No Sub Type Information | GO to Pinpoint Test B |
| PCM | P0643:00 | Sensor Reference Voltage A Circuit High: No Sub Type Information | GO to Pinpoint Test B |
| PCM | P0652:00 | Sensor Reference Voltage B Circuit Low: No Sub Type Information | GO to Pinpoint Test B |
| PCM | P0653:00 | Sensor Reference Voltage B Circuit High: No Sub Type Information | GO to Pinpoint Test B |
| PCM | P0685:00 | ECM/PCM Power Relay Control Circuit/Open: No Sub Type Information | GO to Pinpoint Test AJ |
| PCM | P068A:00 | ECM/PCM Power Relay De-Energized - Too Early: No Sub Type Information | GO to Pinpoint Test AJ |
| PCM | P068B:00 | ECM/PCM Power Relay De-Energized - Too Late: No Sub Type Information | GO to Pinpoint Test AJ |
| PCM | P06A6:00 | Sensor Reference Voltage A Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test B |
| PCM | P06A7:00 | Sensor Reference Voltage B Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test B |
| PCM | P06A8:00 | Sensor Reference Voltage C Circuit Range/Performance: No Sub Type Information | GO to Pinpoint Test B |
| PCM | P119F:00 | Internal Control Module Fuel Pressure Control Performance: | GO to Pinpoint Test H |
| PCM | P2507:00 | ECM/PCM Power Input Signal Low: No Sub Type Information | GO to Pinpoint Test AJ |
| PCM | P2508:00 | ECM/PCM Power Input Signal High: No Sub Type Information | GO to Pinpoint Test AJ |
RENDER: 1.0x
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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.