OBD Guide

B10A8

Left Blend Door Actuator Performance

B10A8 is an OBD-II diagnostic trouble code meaning: Left Blend Door Actuator Performance. Common causes: air mixing damper jammed, wear of actuator gears. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect air temperature on the left side of the cabin
  • Lack of response to changing climate control settings
  • Clicking or noise coming from under the panel

Causes

  • Air mixing damper jammed
  • Wear of actuator gears
  • Open or short circuit in control circuit
  • Wiring Harness Problems
  • Malfunction of the climate control control unit

How to Fix

  1. Check damper operation manually
  2. Diagnose the actuator control circuit
  3. Replace the actuator if necessary
  4. Check connections and wiring harness
  5. Test the operation of the system after repair

Related codes

FAQ

What does the B10A8 code mean?

B10A8 is an OBD-II diagnostic trouble code that indicates: Left Blend Door Actuator Performance

What causes a B10A8 error code?

The most common causes of B10A8 include: Air mixing damper jammed; Wear of actuator gears; Open or short circuit in control circuit; Wiring Harness Problems.

How do I fix a B10A8 diagnostic trouble code?

To fix B10A8: Check damper operation manually. Diagnose the actuator control circuit. Replace the actuator if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B10A8?

Yes, but get it checked soon

How much does it cost to fix B10A8?

The estimated repair cost for B10A8 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat