B0423
Right Temperature Control Feedback Circuit
B0423 is an OBD-II diagnostic trouble code meaning: Right Temperature Control Feedback Circuit. Common causes: open or short circuit in feedback circuit, temperature sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of climate control
- Uneven temperature distribution in the cabin
- No heating or cooling on the right side of the cabin
Causes
- Open or short circuit in feedback circuit
- Temperature sensor malfunction
- Problems with the temperature controller
- Wiring harness damage
- Malfunction of the climate control control unit
How to Fix
- Check the integrity of the wiring harness and connections
- Check the resistance of the temperature sensor
- Check the operation of the temperature controller
- Scan the climate control module for other errors
- Replace faulty components if necessary
Related codes
Error B0423 by Vehicle Brand
FAQ
What does the B0423 code mean?
B0423 is an OBD-II diagnostic trouble code that indicates: Right Temperature Control Feedback Circuit
What causes a B0423 error code?
The most common causes of B0423 include: Open or short circuit in feedback circuit; Temperature sensor malfunction; Problems with the temperature controller; Wiring harness damage.
How do I fix a B0423 diagnostic trouble code?
To fix B0423: Check the integrity of the wiring harness and connections. Check the resistance of the temperature sensor. Check the operation of the temperature controller. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0423?
Limited driving only, diagnose soon
How much does it cost to fix B0423?
The estimated repair cost for B0423 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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