B11C0
Driver Side Rear Door Ajar Switch General Electrical Failure
B11C0 is an OBD-II diagnostic trouble code meaning: Driver Side Rear Door Ajar Switch General Electrical Failure. Common causes: door open switch malfunction, broken or damaged wiring harness. Estimated repair cost: $22–89.
Symptoms
- Incorrect driver side rear door status display
- Problems with interior lighting when opening the door
- Alarms may be triggered falsely
- Blocking the remote door opening function
Causes
- Door open switch malfunction
- Broken or damaged wiring harness
- Short circuit in the circuit
- Poor connection or corroded contacts
- Problems with the control unit
How to Fix
- Check the mechanical condition of the door switch
- Check the integrity of the wiring harness to the switch
- Make sure the contacts are secure and free from corrosion.
- Check the voltage at the switch with the door open/closed
- If necessary, replace the switch or repair the wiring harness
- Reset the error code and check if it returns
Related codes
FAQ
What does the B11C0 code mean?
B11C0 is an OBD-II diagnostic trouble code that indicates: Driver Side Rear Door Ajar Switch General Electrical Failure
What causes a B11C0 error code?
The most common causes of B11C0 include: Door open switch malfunction; Broken or damaged wiring harness; Short circuit in the circuit; Poor connection or corroded contacts.
How do I fix a B11C0 diagnostic trouble code?
To fix B11C0: Check the mechanical condition of the door switch. Check the integrity of the wiring harness to the switch. Make sure the contacts are secure and free from corrosion.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B11C0?
Limited driving only, diagnose soon
How much does it cost to fix B11C0?
The estimated repair cost for B11C0 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat