Body
generic / SAE
B0258
HVAC Air Mix Door 1 Circuit
The HVAC controller reports a fault in the actuator circuit for air mix door 1, which controls the proportion of warm and cool air in the airflow.
SystemBody
Typegeneric / SAE
GroupB0
Range / number2 / 58
Possible causes
- Air mix door actuator motor failed high
- Mix door jammed by debris medium
- Open wiring to actuator medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–500 €
- Estimated time: 1–4 h
- Component: hvac air mix actuator
- Component: hvac control module
Sources
References
sae:J2012