OBD Guide

B2635

Front Air Mix Door Motor Passenger Side

B2635 is an OBD-II diagnostic trouble code meaning: Front Air Mix Door Motor Passenger Side. Common causes: jamming of the damper mechanism, motor gear wear. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Inability to adjust temperature on front passenger side
  • Constantly hot or cold air on one side
  • Clicking or grinding sounds from under the panel when the climate control is operating

Causes

  • Jamming of the damper mechanism
  • Motor gear wear
  • Open power or control circuit
  • Short circuit in wiring
  • Malfunction of the climate control unit

How to Fix

  1. Diagnostics of the power supply circuit and control of the damper motor
  2. Checking the mechanical stroke of the damper
  3. Replacing the damper motor if necessary
  4. Software error reset and system operation check
  5. If problems with wiring are identified, repair the wiring harness

Related codes

FAQ

What does the B2635 code mean?

B2635 is an OBD-II diagnostic trouble code that indicates: Front Air Mix Door Motor Passenger Side

What causes a B2635 error code?

The most common causes of B2635 include: Jamming of the damper mechanism; Motor gear wear; Open power or control circuit; Short circuit in wiring.

How do I fix a B2635 diagnostic trouble code?

To fix B2635: Diagnostics of the power supply circuit and control of the damper motor. Checking the mechanical stroke of the damper. Replacing the damper motor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2635?

Limited driving only, diagnose soon

How much does it cost to fix B2635?

The estimated repair cost for B2635 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat