B0268
HVAC Mode Door 1 Circuit
The HVAC mode door 1 actuator circuit, which routes airflow between defrost, vents, and floor, has reported a fault.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
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.
- Mode actuator motor failureCommon
- Actuator out of calibrationPossible
Parts involved
- Hvac Mode Actuator
- Hvac Control Module
B0268 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.