DTC B1025 02, B1035 02, B1045 02, B1055 02
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
A short to ground is detected on the specified (+) or (-) signal circuit