DTC P1639 - Vehicle Id Block Corrupted, Not Programmed
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Ford Transit-350 HD, 2018 Ford Transit-350, 2018 Ford Transit-250, 2018 Ford Transit-150, and 2018 Ford F-550 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
P1639 - VEHICLE ID BLOCK CORRUPTED, NOT PROGRAMMED
| Description: | This DTC sets when the vehicle identification (VID) block is not programmed or the information within is corrupt. | ||
| Possible Causes: |
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| Diagnostic Aids: | Using a scan tool, program the PCM to the most recent calibration available. Reprogram or update the calibration. 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. | ||