Diagnostic Fault Information
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.
The hybrid drive motor generator battery has very few moving parts. The moving parts are the 3 high voltage (HV) contactor relays, the hybrid drive motor battery vent fan relay, and the vent fan motor.