B0205
HVAC Defroster Door Position
The HVAC control module has detected that the defroster door (windshield air outlet flap) does not reach the commanded position. Defrosting performance may be reduced.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Door actuator motor failed or strippedCommon
- Door linkage brokenPossible
Parts involved
- Blend Door Actuator
- Hvac Control Module
B0205 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.