OBD Guide

B226E

Mode Door Motor Stalled

B226E is an OBD-II diagnostic trouble code meaning: Mode Door Motor Stalled. Common causes: flap jammed due to debris or breakage, wear of motor drive gears. Estimated repair cost: $56–167.

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

Symptoms

  • Cannot change air flow direction
  • Blows only in one position (for example, only on the windshield)
  • Clicks under the panel when trying to switch modes
  • Burning smell from the ventilation (when the engine overheats)

Causes

  • Flap jammed due to debris or breakage
  • Wear of motor drive gears
  • Open circuit or short circuit in the wiring harness
  • Damper motor malfunction
  • Problems with the HVAC control unit

How to Fix

  1. Diagnostics with a scanner (checking the damper position readings)
  2. Visual inspection of the damper mechanism through the service hatches
  3. Cleaning and lubricating the mechanism (if possible)
  4. Replacing the motor or the entire damper assembly
  5. Checking control and power circuits
  6. Programming a new motor (if necessary)

Related codes

FAQ

What does the B226E code mean?

B226E is an OBD-II diagnostic trouble code that indicates: Mode Door Motor Stalled

What causes a B226E error code?

The most common causes of B226E include: Flap jammed due to debris or breakage; Wear of motor drive gears; Open circuit or short circuit in the wiring harness; Damper motor malfunction.

How do I fix a B226E diagnostic trouble code?

To fix B226E: Diagnostics with a scanner (checking the damper position readings). Visual inspection of the damper mechanism through the service hatches. Cleaning and lubricating the mechanism (if possible). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B226E?

Yes, but get it checked soon

How much does it cost to fix B226E?

The estimated repair cost for B226E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat