Programming The VID Block For A New PCM

The VID block on a replacement PCM is blank and requires programming. There are 2 procedures available. The first is an automatic data transfer from the old PCM to the new PCM, the second is manual data entry into the new PCM.

Automatic data transfer is carried out if the old PCM is capable of communicating. This is done by using a scan tool to retrieve data from the old PCM before removing it from the vehicle. The stored data can be downloaded to the new PCM after installation.

Manual data entry must be carried out if the old module is damaged and incapable of communicating. Install a new PCM. Using a compatible scan tool, select and execute Module/Parameter reprogramming. Refer to the scan tool manufacturers manual for instructions. Make certain that all parameters are included. Incorrectly programming tire size in revolutions per mile, (revolutions per mile - 63,360 divided by the tire circumference in inches), axle ratio, 4x4 or 4x2, and MSOF or ESOF may set DTC P1635 or P1639. You may be instructed to contact the As Built Data Center for the information needed to manually update the VID block with the scan tool. Contact the center only if the old PCM cannot be used or the data is corrupt. For Ford Lincoln-Mercury technicians, contact your National Hotline or the Professional Technician Society (PTS) web site for as built data. Non-Ford technicians, use the Motorcraft® web site at motorcraft.com. From the Motorcraft® home page, use the search function to find the Module Programming or As Built Data.