Possible Causes
WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
- Mode select switch (MSS)
- Circuit 465 (WH/LB)
- Circuit 780 (DB)
- 4WD control module (GEM)