Circuit/System Verification

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.

Engine ON, measure and record the battery voltage with a DMM. The battery voltage should be less than 14.5 volts.

If the voltage is not less than the specified value, or the Charge Indicator light is ON, go to DC Power Conversion Test .