P1639 - Vehicle Id Block Corrupted, Not Programmed
WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. 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 indicates the vehicle ID (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. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | 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 toFLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) . | |||