Drive Motor B Inverter Phase U Over Temperature
The inverter phase U of drive motor B reports junction temperature above the protection threshold. Sustained high phase current.
Affected components
- Drive motor b inverter phase u
Common causes
- High likelihood: Sustained phase overload
- Medium likelihood: Local cooling failure
Possible symptoms
- EV/hybrid system warning light on
- Reduced motor power or torque
- Possible limp mode or vehicle shutdown
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.