P1639 FORD, LINCOLN, MERCURY: VEHICLE ID BLOCK CORRUPTED OR NOT PROGRAMMED
POST UPDATED IN May, 2023
P1639 FORD, LINCOLN, MERCURY: VEHICLE ID BLOCK CORRUPTED OR NOT PROGRAMMED
Most control modules need to be configured or programmed, and so there is a variety of choices for each vehicle. This avoids the need for many unique modules for a line of vehicles. After the replacement of one of these modules, they require to be configured as part of the repair procedure. They should not be interchanged between vehicles as they are unique to each vehicle. If the module is configured wrongly, it will work wrongly.
The Diagnostic code P1639 OBDII is stored when the Vehicle Identification Block (VID) is not working properly due to improper programming or damage to this controller.
Reasons to set the DTC P1639 OBD2:
Steps to troubleshoot the P1639 OBDII fault code: