DTC P1639: - Vehicle Id (VID) Block Corrupted, Not Programmed
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1639: - VEHICLE ID (VID) BLOCK CORRUPTED, NOT PROGRAMMED
| Description: | This DTC indicates the 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 VID block in the FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) must be programmed. | ||