DTC P1639: Vehicle ID Block Not Programmed or is Corrupt
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P1639 - VEHICLE ID BLOCK NOT PROGRAMMED OR IS CORRUPT
| 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: | Program the PCM to the most recent calibration available. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | The vehicle identification (VID) block must programmed. For instructions, refer to MAKING CHANGES TO THE VID BLOCK . | ||