Engine-Codes - Generic - B12B6

B12B6 - Front Lock Motor Common Circuit Circuit Short

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

B12B6 Possible Causes

  • Faulty Front Lock Motor
  • Front Lock Motor harness is open or shorted
  • Front Lock Motor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How is the B12B6 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

B12B6:11 Front Lock Motor Common Circuit: Circuit Short To Ground
B12B6:15 Front Lock Motor Common Circuit: Circuit Short To Battery Or Open

What is the cost to diagnose the B12B6 code

Labor: 1.0

The cost to diagnose the B12B6 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.
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Possible Symptoms

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

B12B6 Meaning

The Body Control Module (BCM) monitors the Front Lock Motor. The BCM sets the OBDII code when the Front Lock Motor is not to factory specifications.

More Information

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Information for specific makes

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