All codes/B0150

B0150

HVAC Mode Door Range/Performance

Moderate severity

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.

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.

Common causes

  • Mode door actuator motor failed

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $90-660

  • Mode door mechanically binding

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $90-660

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does B0150 mean?

B0150 means "HVAC Mode Door Range/Performance". It is a generic OBD-II code that points to a fault in the body.

What are the most common causes of B0150?

mode door actuator motor failed; mode door mechanically binding; wiring or connector fault to actuator — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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