Code result
B0150
HVAC Mode Door Range/Performance
Moderate severity
What it means
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.
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
Mode door actuator motor failed
highOne of the most commonly reported causes for this code — check this first.
Mode door mechanically binding
mediumA plausible cause — test and verify before replacing parts.
Wiring or connector fault to actuator
lowLess common, but worth ruling out after the more likely causes.
Related help
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