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.
This is a fault detection of the drive motor generator power inverter module's internal motor control modules. This fault is handled inside the drive motor generator power inverter module, no external circuits are involved. The motor control modules are part of the drive motor generator power inverter module, and are not serviced separately.