Drive Motor B Inverter Power Supply Circuit High
The power supply circuit of drive motor B inverter reports a circuit high condition. Inverter operation may be impaired.
Affected components
- Drive motor b inverter
- Wiring harness
- Hybrid control module
Common causes
- High likelihood: Upstream regulator overvoltage
- Medium likelihood: Wire shorted to higher voltage
- Low likelihood: Connector pins corroded - high contact resistance
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.