Resetting the Short Circuit, Overload or Ground Fault Detection (GFD) Circuit
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.
To reset the Short Circuit, Overload or Ground Fault Detection (GFD) Circuit while operating in both the normal and continuous modes, ensure any observed fault is removed, and press the APO button. The light next to the button will illuminate indicating that the system is supplying 120-volt AC power to the outlets. In the case of an engine shutdown due to a ground fault while in the continuous mode, restart the engine by turning the key from LOCK to START, then follow the instructions for entering APO Continuous Mode earlier in this section.
For more information on the hybrid system, review the following Description and Operations.
- Energy Storage Box (ESB) Description and Operation in Engine Electrical
- Hybrid Control Module (HCM) Description and Operation in Engine Electrical
- Starter/Generator Description and Operation in Engine Electrical
- Starter/Generator Control Module (SGCM) Description and Operation in Engine Electrical