Code result
B0175
HVAC Recirculation Door Performance
Moderate severity
What it means
The HVAC control module has detected that the recirculation door does not reach the commanded position within the expected time. The recirc door switches between fresh air and recirculated cabin air.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Recirculation door actuator failed
highOne of the most commonly reported causes for this code — check this first.
Recirculation door mechanically binding
mediumA plausible cause — test and verify before replacing parts.
Related help
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