Circuit/System Verification
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
- Engine running, accessories OFF, measure and record the battery voltage with a DMM. The battery voltage should be 12.5-15.5 V.
- If not within the specified range, or the Charge Indicator light is ON, refer to DC Power Conversion Test .
- Observe the scan tool hybrid powertrain control module voltage. The reading should be 12.5-15.5 V.