Circuit/System Description
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 drive motor generator power inverter module contains two motor control modules and a hybrid powertrain control module. The hybrid powertrain control module and both motor control modules share the drive motor generator power inverter module ignition voltage circuit, battery voltage circuits and chassis ground.