P1639Vehicle ID block corrupted or not programmed
- Ford code · Engine
- How the car detects it
- The vehicle identification block in the engine computer, which holds data such as the VIN and the car's configuration, is missing or corrupted. It is typically seen after the engine computer was replaced or reprogrammed and the set-up was not finished.
- What you may notice
- Some functions may behave as on another model
- Likely causes
- PossibleEngine computer replaced or reprogrammed without completing the set-up
- RareInternal memory fault of the engine computer
- Sources
Backed by at least two independent sources.
From Obdaryn's Ford pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.