Driver Side Rear Door Ajar Switch harness is open or shorted
Driver Side Rear Door Ajar Switch circuit poor electrical connection
Faulty Body Control Module (BCM)
|How to Fix the B11C0 Code?
Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost to diagnose the B11C0 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
Engine Light ON (or Service Engine Soon Warning Light)
|What Does the B11C0 Code Mean?
The Body Control Module (BCM) monitors the Driver Side Rear Door Ajar Switch. The BCM sets the OBDII code when the BCM detects an open from the left rear door ajar circuit.
B11C0 Code - Driver Side Rear Door Ajar Switch General Electrical Failure