OBD Guide

B24BD

Right Air Mix Door Motor

B24BD is an OBD-II diagnostic trouble code meaning: Right Air Mix Door Motor. Common causes: air mixer damper jammed, open or short circuit in the damper motor power supply circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Uneven temperature on the right side of the cabin
  • No temperature adjustment on the right side
  • Noises or clicking noises from under the panel when the climate control system is operating

Causes

  • Air mixer damper jammed
  • Open or short circuit in the damper motor power supply circuit
  • Damper motor malfunction
  • Problems with the wiring harness or connectors
  • Climate control unit error

How to Fix

  1. Diagnose the climate control system
  2. Check the integrity of the power and control circuits
  3. Inspect the damper mechanism for jamming
  4. If necessary, replace the damper motor
  5. Reflash or replace the control unit if necessary

Related codes

FAQ

What does the B24BD code mean?

B24BD is an OBD-II diagnostic trouble code that indicates: Right Air Mix Door Motor

What causes a B24BD error code?

The most common causes of B24BD include: Air mixer damper jammed; Open or short circuit in the damper motor power supply circuit; Damper motor malfunction; Problems with the wiring harness or connectors.

How do I fix a B24BD diagnostic trouble code?

To fix B24BD: Diagnose the climate control system. Check the integrity of the power and control circuits. Inspect the damper mechanism for jamming. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B24BD?

Limited driving only, diagnose soon

How much does it cost to fix B24BD?

The estimated repair cost for B24BD is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat