P064F - Unauthorized Software/Calibration Detected
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2017 Lincoln Navigator, 2017 Lincoln MKZ, 2017 Lincoln MKX, 2017 Lincoln MKT, and 2017 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
P064F - UNAUTHORIZED SOFTWARE/CALIBRATION DETECTED
| Description: | This DTC sets when the PCM has detected an unauthorized calibration. | ||
| Possible Causes: |
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| Diagnostic Aids: | Reprogram or update the calibration. Reprogram the vehicle identification (VID) block (use as built data). Check for other DTCs or drive symptoms for further action. Make sure to check for aftermarket performance products before installing a new PCM. If it is necessary to install a new PCM, refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) . | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||