B1935 0B, B1935 0E, B2180 0B, B2180 0E
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 below the minimum resistance.