OBD Guide

B1262

Defrost Door Actuator Circuit Failure

B1262 is an OBD-II diagnostic trouble code meaning: Defrost Door Actuator Circuit Failure. Common causes: damper motor malfunction, open or short circuit in the drive circuit. Estimated repair cost: $33–167.

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

Symptoms

  • Windshield defogger does not work
  • Airflow modes do not switch
  • Noise or crackling noise from the damper area when the air blower is turned on

Causes

  • Damper motor malfunction
  • Open or short circuit in the drive circuit
  • Problems with connectors or wiring harness
  • Malfunction of the climate control unit

How to Fix

  1. Check the operation of the damper drive manually
  2. Check the integrity of the circuit and connectors
  3. Replace the damper actuator if necessary
  4. Check the climate control unit

Related codes

FAQ

What does the B1262 code mean?

B1262 is an OBD-II diagnostic trouble code that indicates: Defrost Door Actuator Circuit Failure

What causes a B1262 error code?

The most common causes of B1262 include: Damper motor malfunction; Open or short circuit in the drive circuit; Problems with connectors or wiring harness; Malfunction of the climate control unit.

How do I fix a B1262 diagnostic trouble code?

To fix B1262: Check the operation of the damper drive manually. Check the integrity of the circuit and connectors. Replace the damper actuator if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1262?

Limited driving only, diagnose soon

How much does it cost to fix B1262?

The estimated repair cost for B1262 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat