Left Stop Lamp Circuit
Table of contents
C111B MERCURY Possible Causes
- Faulty Left Stop Lamp
- Left Stop Lamp harness is open or shorted
- Left Stop Lamp circuit poor electrical connection
- Faulty Stop Lamp Switch
- Faulty Body Control Module (BCM)
How do I fix code C111B MERCURY?
Check 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.
Tech Notes
- C111B:11 Left Stop Lamp: Circuit Short to Ground
- C111B:15 Left Stop Lamp: Circuit Short to Battery or Open
Cost of diagnosing the C111B MERCURY code
The cost of diagnosing the C111B MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
C111B MERCURY Description
The Body Control Module (BCM) monitors the Left Stop Lamp. The BCM sets the OBDII code when the Left Stop Lamp is not to factory specifications.