Engine-Codes - Mercury - B112D MERCURY

B112D MERCURY - Rear Window Defrost LED Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B112D MERCURY Possible Causes

  • Faulty Rear Window Defrost LED
  • Rear Window Defrost LED harness is open or shorted
  • Rear Window Defrost LED circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How is the B112D MERCURY code repair?

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.

Tech Notes

B112D:11 Rear Window Defrost LED Circuit Short to Ground
B112D:15 Rear Window Defrost LED Circuit Short to Battery or Open

What is the cost to diagnose the B112D MERCURY code

Labor: 1.0

The cost to diagnose the B112D MERCURY code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B112D MERCURY Meaning

The Body Control Module (BCM) monitors the Rear Window Defrost LED. The BCM sets the OBDII code when the Rear Window Defrost LED is not to factory specifications.

More Information

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