Possible Causes
WARNING: This page is about a different car, the 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.
- instrument cluster configuration
- circuit 210 (LB) open, short to ground or short to voltage
- circuit 975 (BN/YE) open, short to ground or short to voltage
- mode indicator switch
- 4WD control module
- instrument cluster