Four-Wheel Drive (4WD) Control Module
WARNING: This page is about a different car, the 2004 Lincoln Navigator and 2004 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
The four-wheel drive (4WD) control module is on the UBP communication network. The 4WD control module controls the four-wheel drive functions for the vehicle. For additional information, refer to FOUR WHEEL DRIVE SYSTEMS .