P064F OBD II Trouble Code Unauthorized Software/Calibration Detected
How to easily diagnose, repair, and info on causes of a P064F trouble code that indicates a detected unauthorized software or calibration.
Symptoms of P064F OBD II Trouble Code
- Delayed or no engine start-up
- Engine drivability issues
- Other stored codes
Common Causes of P064F OBD II Trouble Code
- PCM programming error
- Faulty controller or PCM
- Installation of aftermarket or high performance software
Severity of P064F OBD II Trouble Code
A P064F should be treated as severe because it could result in various engine starting and/or drivability problems.