OBD Guide
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B297F

Passenger Blend Door Actuator Drive Circuit Shorted To Ground

B297F is an OBD-II diagnostic trouble code meaning: Passenger Blend Door Actuator Drive Circuit Shorted To Ground. Common causes: wiring harness damage, short circuit in the damper motor. Estimated repair cost: $56–167.

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

Symptoms

  • Inability to adjust temperature on passenger side
  • Constant supply of hot or cold air regardless of settings
  • Clicking or unusual sounds from the damper area

Causes

  • Wiring harness damage
  • Short circuit in the damper motor
  • Malfunction of the climate control control unit
  • Mechanical jamming of the damper

How to Fix

  1. Check the integrity of the wiring harness to the damper actuator
  2. Check resistance and operation of motor/solenoid
  3. Inspect the damper mechanism for jamming
  4. If necessary, replace the damper actuator
  5. Check and, if necessary, replace the climate control control unit

Related codes

B297EB2980B2981

FAQ

What does the B297F code mean?

B297F is an OBD-II diagnostic trouble code that indicates: Passenger Blend Door Actuator Drive Circuit Shorted To Ground

What causes a B297F error code?

The most common causes of B297F include: Wiring harness damage; Short circuit in the damper motor; Malfunction of the climate control control unit; Mechanical jamming of the damper.

How do I fix a B297F diagnostic trouble code?

To fix B297F: Check the integrity of the wiring harness to the damper actuator. Check resistance and operation of motor/solenoid. Inspect the damper mechanism for jamming. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B297F?

Yes, but get it checked soon

How much does it cost to fix B297F?

The estimated repair cost for B297F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat