Engine-Codes - Ford - B12C4 Ford

B12C4 Ford Code - Mirror Turn Indicator Circuit Short

- Code Popularity: 1,986 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code B12C4 Ford?

  • 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 to Fix the B12C4 Ford 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.

Code B12C4 Ford Tech Notes

B12C4:11 Mirror Turn Indicator Circuit Short To Ground
B12C4:15 Mirror Turn Indicator Circuit Short To Battery Or Open

What is the Cost to Diagnose the Code B12C4 Ford?

Labor: 1.0

The cost to diagnose the B12C4 Ford 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.

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What are Code B12C4 Ford Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the B12C4 Ford Code Mean?

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.

B12C4 Ford Code - Mirror Turn Indicator Circuit Short

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