B1239
Airflow Blend Door Driver Circuit Failure
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)
Symptoms
- Incorrect operation of climate control
- The temperature in the cabin does not correspond to the set temperature
- Lack of response to changing temperature settings
Causes
- Open or short circuit in wiring harness
- Damper motor malfunction
- Problems in the climate control control unit
- Mechanical jamming of the damper
How to Fix
- Check the wiring harness for breaks and short circuits
- Check the operation of the damper motor
- Inspect the damper mechanism for jamming
- If necessary, replace faulty components
- Reset the error and check the system operation