OBD Guide

B10A6

Left Blend Door 1 Travel Too Small

B10A6 is an OBD-II diagnostic trouble code meaning: Left Blend Door 1 Travel Too Small. Common causes: damper mechanism jammed, electric drive break or short circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Uneven airflow on the left and right sides of the cabin
  • Discrepancy between the set and actual temperature
  • Noise or squeaking noise from the damper area

Causes

  • Damper mechanism jammed
  • Electric drive break or short circuit
  • Damper position sensor malfunction
  • Contaminated or damaged guides
  • Wiring Harness Problems

How to Fix

  1. Check the mechanical condition of the damper and its drive
  2. Test the damper motor
  3. Check position sensor readings
  4. Inspect the wiring harness for damage
  5. Clean or replace blocked components

Related codes

FAQ

What does the B10A6 code mean?

B10A6 is an OBD-II diagnostic trouble code that indicates: Left Blend Door 1 Travel Too Small

What causes a B10A6 error code?

The most common causes of B10A6 include: Damper mechanism jammed; Electric drive break or short circuit; Damper position sensor malfunction; Contaminated or damaged guides.

How do I fix a B10A6 diagnostic trouble code?

To fix B10A6: Check the mechanical condition of the damper and its drive. Test the damper motor. Check position sensor readings. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B10A6?

Yes, but get it checked soon

How much does it cost to fix B10A6?

The estimated repair cost for B10A6 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat