OBD-II Code High voltage system may not operate is defined as a Drive Motor "A" Inverter Phase U Over Temperature
The Drive Motor Generator Power Inverter Control Module consists of two Motor Control Modules and the Hybrid Powertrain Control Module. each Motor Control Module monitors the internal temperature of its respective motor. If the temperature of the motor goes above a specified temperature, code P0C11 is set. The High Voltage System will be disabled.