U063A
Lost Communication With Hybrid/EV Electronics Coolant Temperature Sensor C
U063A is an OBD-II diagnostic trouble code meaning: Lost Communication With Hybrid/EV Electronics Coolant Temperature Sensor C. Common causes: open or short circuit in the sensor circuit, coolant temperature sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid/electric system
- Incorrect coolant temperature readings
- Possible problems with cooling components
- Reduced power or transition to emergency mode
Causes
- Open or short circuit in the sensor circuit
- Coolant temperature sensor malfunction
- Connector problems or contact corrosion
- Hybrid/Electric ECU malfunction
- Interference in the electrical circuit
How to Fix
- Check the continuity of the temperature sensor circuit
- Inspect connectors and contacts for damage or corrosion
- Check the functionality of the temperature sensor
- Scan the ECU for additional errors
- If necessary, replace the sensor or repair the circuit
Related codes
Error U063A by Vehicle Brand
FAQ
What does the U063A code mean?
U063A is an OBD-II diagnostic trouble code that indicates: Lost Communication With Hybrid/EV Electronics Coolant Temperature Sensor C
What causes a U063A error code?
The most common causes of U063A include: Open or short circuit in the sensor circuit; Coolant temperature sensor malfunction; Connector problems or contact corrosion; Hybrid/Electric ECU malfunction.
How do I fix a U063A diagnostic trouble code?
To fix U063A: Check the continuity of the temperature sensor circuit. Inspect connectors and contacts for damage or corrosion. Check the functionality of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U063A?
Limited driving only, diagnose soon
How much does it cost to fix U063A?
The estimated repair cost for U063A is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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