HVAC Defrost Door Circuit
A fault is detected in the HVAC defrost door actuator circuit; defrost airflow may not engage.
Affected components
- Hvac defrost actuator
- Hvac control module
Common causes
- High likelihood: Defrost actuator failed
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.