Overheated MGU
â–¶ How to fix
Investigate why MGU is overheated.
What you'll see
No propulsion from MGS available
System reaction
Disable inverter. Yellow OBD
Diagnostic depth
Detection
Evaluation Condition When sensor is connected and not short circuit. Set Condition The supervision uses a first order low-pass filter on temperature with fc approximately 2 Hz. Temperature is above 95 °C. Clear Condition The supervision uses a first order low-pass filter on temperature with fc approximately 2 Hz. Temperature is below 94 °C.
Possible cause
Too low coolant flow (externally or internally caused) Too high coolant temperature Current rating exceeded Heated by surrounding Internal sensor failure