OBD Guide

B297D

Driver Blend Door Actuator Drive Circuit Shorted To Ground

B297D is an OBD-II diagnostic trouble code meaning: Driver Blend Door Actuator Drive Circuit Shorted To Ground. Common causes: short circuit in damper actuator wiring harness, damper motor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inability to adjust air temperature on the driver's side
  • Constant supply of hot or cold air regardless of settings
  • Climate control system malfunction

Causes

  • Short circuit in damper actuator wiring harness
  • Damper motor malfunction
  • Problems in the climate control control unit
  • Mechanical jamming of the damper

How to Fix

  1. Check the wiring harness for damage and short circuits.
  2. Check the damper drive motor for operation.
  3. Check the climate control control unit for errors
  4. Replace faulty components

Related codes

FAQ

What does the B297D code mean?

B297D is an OBD-II diagnostic trouble code that indicates: Driver Blend Door Actuator Drive Circuit Shorted To Ground

What causes a B297D error code?

The most common causes of B297D include: Short circuit in damper actuator wiring harness; Damper motor malfunction; Problems in the climate control control unit; Mechanical jamming of the damper.

How do I fix a B297D diagnostic trouble code?

To fix B297D: Check the wiring harness for damage and short circuits.. Check the damper drive motor for operation.. Check the climate control control unit for errors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B297D?

Limited driving only, diagnose soon

How much does it cost to fix B297D?

The estimated repair cost for B297D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat