B297B
Blend Door Actuator Drive Circuit Shorted To Ground
B297B is an OBD-II diagnostic trouble code meaning: Blend Door Actuator Drive Circuit Shorted To Ground. Common causes: damaged wiring harness to damper actuator, short circuit in control circuit. Estimated repair cost: $56–167.
Symptoms
- Inability to regulate the air temperature in the cabin
- Climate control operates in only one mode (hot air only or cold air only)
- Clicking or grinding noises from under the instrument panel
- Hot or cold air is supplied unevenly
Causes
- Damaged wiring harness to damper actuator
- Short circuit in control circuit
- Actuator motor malfunction
- Mechanical jamming of the damper
- Damage to contacts in the actuator connector
How to Fix
- Check fault codes with an OBD-II scanner
- Visually inspect the wiring harness and connectors of the actuator
- Check the resistance of the actuator control circuit
- If necessary, replace the anticancer 걸izzard drive
- Clean contacts and check connections
- Reflash the climate control control unit (if required)
Related codes
FAQ
What does the B297B code mean?
B297B is an OBD-II diagnostic trouble code that indicates: Blend Door Actuator Drive Circuit Shorted To Ground
What causes a B297B error code?
The most common causes of B297B include: Damaged wiring harness to damper actuator; Short circuit in control circuit; Actuator motor malfunction; Mechanical jamming of the damper.
How do I fix a B297B diagnostic trouble code?
To fix B297B: Check fault codes with an OBD-II scanner. Visually inspect the wiring harness and connectors of the actuator. Check the resistance of the actuator control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B297B?
Limited driving only, diagnose soon
How much does it cost to fix B297B?
The estimated repair cost for B297B is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat