U063E
Lost Communication With Exhaust Heat Exchanger Bypass Valve Actuator A
U063E is an OBD-II diagnostic trouble code meaning: Lost Communication With Exhaust Heat Exchanger Bypass Valve Actuator A. Common causes: bypass valve actuator malfunction, broken or damaged wiring. Estimated repair cost: $56–167.
Symptoms
- Deterioration of interior heating in cold weather
- Increased fuel consumption
- Check Engine light comes on
- Reduced heating system efficiency
Causes
- Bypass valve actuator malfunction
- Broken or damaged wiring
- Power or grounding problems
- ECU malfunction
How to Fix
- Check the integrity of wiring and connectors
- Check the power supply and grounding of the actuator
- Check the operation of the bypass valve actuator
- If necessary, replace the actuator
- Check and, if necessary, update the ECU software
Related codes
Error U063E by Vehicle Brand
FAQ
What does the U063E code mean?
U063E is an OBD-II diagnostic trouble code that indicates: Lost Communication With Exhaust Heat Exchanger Bypass Valve Actuator A
What causes a U063E error code?
The most common causes of U063E include: Bypass valve actuator malfunction; Broken or damaged wiring; Power or grounding problems; ECU malfunction.
How do I fix a U063E diagnostic trouble code?
To fix U063E: Check the integrity of wiring and connectors. Check the power supply and grounding of the actuator. Check the operation of the bypass valve actuator. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U063E?
Yes, but get it checked soon
How much does it cost to fix U063E?
The estimated repair cost for U063E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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