Drive Motor A Temperature Sensor A Circuit Intermittent
The drive motor A temperature sensor A signal drops out intermittently. Loose connector or noisy ground reference.
Affected components
- Drive motor a temp sensor a
- Wiring harness
- Hybrid control module
Common causes
- High likelihood: Connector not seated
- Medium likelihood: Noisy ground reference
- Low likelihood: Connector with intermittent contact under vibration
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
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.