U0661
Lost Communication With Right Rear Temperature Actuator A
U0661 is an OBD-II diagnostic trouble code meaning: Lost Communication With Right Rear Temperature Actuator A. Common causes: broken or damaged wiring to the drive, temperature drive malfunction. Estimated repair cost: $33–167.
Symptoms
- Inability to adjust rear temperature
- Uneven airflow in rear seats
- Error indication on the instrument panel
- Resetting climate control settings
Causes
- Broken or damaged wiring to the drive
- Temperature drive malfunction
- Problems with the climate control unit
- Corrosion of contacts in connectors
- Circuit power problems
How to Fix
- Check the integrity of the wiring to the drive
- Diagnose the operation of the temperature drive
- Check contacts in connectors
- Scan the climate control control unit
- If necessary, replace the faulty drive
Related codes
Error U0661 by Vehicle Brand
FAQ
What does the U0661 code mean?
U0661 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Right Rear Temperature Actuator A
What causes a U0661 error code?
The most common causes of U0661 include: Broken or damaged wiring to the drive; Temperature drive malfunction; Problems with the climate control unit; Corrosion of contacts in connectors.
How do I fix a U0661 diagnostic trouble code?
To fix U0661: Check the integrity of the wiring to the drive. Diagnose the operation of the temperature drive. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0661?
Yes, but get it checked soon
How much does it cost to fix U0661?
The estimated repair cost for U0661 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat