Drive Motor A Temperature Sensor Circuit
Electrical fault on the temperature sensor inside drive motor A windings. The sensor is used to derate motor torque when winding temperature approaches the insulation limit.
Affected components
- Drive motor a
- Motor temperature sensor
- Wiring harness
Common causes
- High likelihood: Sensor failed
- Medium likelihood: Wiring fault
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
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.