Protocol 3

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Protocol 3

Courtesy of FORD MOTOR CO.

The following offers a more detailed explanation of the coding strategy used in Protocol 3.

Model Year

1 - 2001
2 - 2002
3 - 2003
4 - 2004

Vehicle Line

U5 - Explorer/Mountaineer

Transmission

1 - Automatic transmission
2 - Manual transmission