Drive Motor A Temperature Sensor Range/Performance
The drive motor A temperature sensor signal is implausible relative to inverter losses and operating point.
Affected components
- Drive motor a
- Motor temperature sensor
Common causes
- High likelihood: Sensor drift
- Low likelihood: Sensor element aged beyond calibration window
- Low likelihood: Sensor mounting loose - signal damping
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
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.