OBD Guide
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B105C

Recirculation Door Travel Range Too Small

B105C is an OBD-II diagnostic trouble code meaning: Recirculation Door Travel Range Too Small. Common causes: mechanical jamming of the damper, damper motor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable operation of the climate control system
  • Insufficient interior ventilation
  • Noises when the damper operates

Causes

  • Mechanical jamming of the damper
  • Damper motor malfunction
  • Wiring harness damage
  • Problems with the control unit

How to Fix

  1. Check the mechanical part of the damper for binding
  2. Test the electric damper actuator
  3. Inspect the wiring harness for damage
  4. Check the operation of the control unit
  5. If necessary, replace faulty components

Related codes

B105BB105DB105E

FAQ

What does the B105C code mean?

B105C is an OBD-II diagnostic trouble code that indicates: Recirculation Door Travel Range Too Small

What causes a B105C error code?

The most common causes of B105C include: Mechanical jamming of the damper; Damper motor malfunction; Wiring harness damage; Problems with the control unit.

How do I fix a B105C diagnostic trouble code?

To fix B105C: Check the mechanical part of the damper for binding. Test the electric damper actuator. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B105C?

Yes, but get it checked soon

How much does it cost to fix B105C?

The estimated repair cost for B105C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat