C0800 03
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- During initialization or when the system is inactive, the 12V system voltage is less than 10.5 volts.
- During the system operation, the 12V system voltage is less than 9 volts.