Code result
B0168
HVAC Air Mix Door Performance
Moderate severity
What it means
The HVAC control module has detected that the air mix (blend) door does not reach the commanded position within the expected time. The blend door regulates the ratio of air through the heater core versus around it.
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
Blend door actuator motor failed
highOne of the most commonly reported causes for this code — check this first.
Blend door mechanically binding or broken
mediumA plausible cause — test and verify before replacing parts.
Related help
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