Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- P0A27 - Battery cut off switch status is greater than 5.35 volts.
- P1A58 - The ESCM senses that the battery cut off switch is open.