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.