B2425 0C, B2445 0D, B2430 0C, B2430 0D
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
By measuring output current, the module calculates that the heating element resistance is above the maximum resistance.