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.
Affected components
- Hvac air mix actuator
- Hvac control module
Common causes
- High likelihood: Air mix door actuator motor failed
- Medium likelihood: Mix door jammed by debris
- Medium likelihood: Open wiring to actuator
Possible symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.