Mirror Turn Indicator Circuit Short
Table of contents
B12C4 LINCOLN Possible Causes
- Faulty Mirror Turn Indicator
- Mirror Turn Indicator harness is open or shorted
- Mirror Turn Indicator circuit poor electrical connection
- Faulty Driver Door Module (DDM)
How do I fix code B12C4 LINCOLN?
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
- B12C4:11 Mirror Turn Indicator Circuit Short To Ground
- B12C4:15 Mirror Turn Indicator Circuit Short To Battery Or Open
Cost of diagnosing the B12C4 LINCOLN code
The cost of diagnosing the B12C4 LINCOLN 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)
B12C4 LINCOLN Description
The Driver Door Module (DDM) monitors the Mirror Turn Indicator Circuit. The DDM sets the OBDII code when the Mirror Turn Indicator Circuit is not to factory specifications.