P1639 - Vehicle Id Block Corrupted, Not Programmed
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 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 identification (VID) block is not programmed or the information within is corrupt. | |||
Possible Causes:
|
|||
| Diagnostic Aids:
Using a scan tool, program the powertrain control module (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. | ||