Drive Motor B Performance
The drive motor B does not deliver the expected torque or efficiency. Phase imbalance, magnet weakness, or bearing wear.
Affected components
- Drive motor b
Common causes
- High likelihood: Phase current imbalance
- Medium likelihood: Magnet flux degraded
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.