Drive Motor A Inverter Performance
The drive motor A inverter does not deliver commanded torque within tolerance under load, indicating thermal limit or partial IGBT failure.
Affected components
- Inverter
- Drive motor a
Common causes
- High likelihood: Thermal derating active
- Medium likelihood: Partial IGBT 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.