B11C8
Right Temperature Door Circuit
B11C8 is an OBD-II diagnostic trouble code meaning: Right Temperature Door Circuit. Common causes: open or short circuit in the damper circuit, damper motor malfunction. Estimated repair cost: $56–167.
Symptoms
- Inability to adjust temperature on the right side of the cabin
- Uneven airflow on the right and left sides of the cabin
- Constantly hot or cold air on the right side
- Error indication on the climate control display
Causes
- Open or short circuit in the damper circuit
- Damper motor malfunction
- Problems with the climate control module
- Mechanical jamming of the damper
- Wiring harness damage
- Contact corrosion
How to Fix
- Check the integrity of the wiring harness to the damper
- Check the damper motor resistance
- Check the mechanical movement of the damper
- Scan the climate control module for additional errors
- If necessary, replace the damper motor or control module
- Clear contacts and restore connections
Related codes
FAQ
What does the B11C8 code mean?
B11C8 is an OBD-II diagnostic trouble code that indicates: Right Temperature Door Circuit
What causes a B11C8 error code?
The most common causes of B11C8 include: Open or short circuit in the damper circuit; Damper motor malfunction; Problems with the climate control module; Mechanical jamming of the damper.
How do I fix a B11C8 diagnostic trouble code?
To fix B11C8: Check the integrity of the wiring harness to the damper. Check the damper motor resistance. Check the mechanical movement of the damper. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B11C8?
Limited driving only, diagnose soon
How much does it cost to fix B11C8?
The estimated repair cost for B11C8 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat