HVAC Mode Door Range/Performance
The HVAC control module has detected that the air distribution mode door (e.g. floor/face/defrost) does not reach the commanded position within the expected time. The actuator may be stuck, the door binding, or the position feedback inaccurate.
Affected components
- Mode door actuator
- Hvac control module
- Mode door linkage
Common causes
- High likelihood: Mode door actuator motor failed
- Medium likelihood: Mode door mechanically binding
- Low likelihood: Wiring or connector fault 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.