P1639 - Vehicle Id (VID) Block Corrupted, Not Programmed
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
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: |
|
||
| Diagnostic Aids: | The VID block must be programmed. Refer to FLASH ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) , Making Changes to the VID Block. If the PCM does not allow reprogramming of the VID block, reflashing of the PCM is required. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the P1646 - LINEAR O2 SENSOR CONTROL CHIP (BANK 1) for the DTC. | ||