P064F

DTC P064F, sometimes indicated as P064F00 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the causing unauthorized software/calibration detected.

This code is set when the engine control module (ECM) detects unauthorized software or calibration in the vehicle. Possible causes could be a aftermarket tuner or programmer, or a faulty ECM. If this code is present, the ECM will likely enter a fail-safe mode.
The best way to fix this code is to find and remove the unauthorized software or calibration. If the cause is a faulty ECM, it will need to be replaced.

• P064F: Unauthorized Software/Calibration Detected
• P064F: Unauthorized software – non original equipment calibration detected
• P064F 00: Unauthorized software - non original equipment calibration detected