Possible Causes

WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Circuit 57 (BK) open or short to voltage
Circuit 489 (PK/BK) open or short to ground
Circuit 640 (RD/YE) open or short to ground
Circuit 875 (BK/LB) open or short to voltage
Circuit 1003 (GY/YE) open or short to ground
Circuit 3049 (BK/LG) open or short to ground
Instrument cluster