B298A
Mode Door Actuator Drive Circuit Open
B298A is an OBD-II diagnostic trouble code meaning: Mode Door Actuator Drive Circuit Open. Common causes: broken or damaged wiring harness to the actuator, malfunction of the actuator itself (electric motor). Estimated repair cost: $56–167.
Symptoms
- Incorrect air flow distribution (for example, air blows only to the feet or only to the windshield)
- Lack of response to changes in airflow mode
- Clicking or unusual sounds from the damper area
Causes
- Broken or damaged wiring harness to the actuator
- Malfunction of the actuator itself (electric motor)
- Problems with the connector or contacts
- Malfunction of the climate control control unit
How to Fix
- Check the integrity of the wiring harness and connectors
- Check resistance and power supply to actuator
- Replace faulty actuator if necessary
- Check the operation of the climate control control unit
Related codes
FAQ
What does the B298A code mean?
B298A is an OBD-II diagnostic trouble code that indicates: Mode Door Actuator Drive Circuit Open
What causes a B298A error code?
The most common causes of B298A include: Broken or damaged wiring harness to the actuator; Malfunction of the actuator itself (electric motor); Problems with the connector or contacts; Malfunction of the climate control control unit.
How do I fix a B298A diagnostic trouble code?
To fix B298A: Check the integrity of the wiring harness and connectors. Check resistance and power supply to actuator. Replace faulty actuator if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B298A?
Limited driving only, diagnose soon
How much does it cost to fix B298A?
The estimated repair cost for B298A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat