AutoCodes - OBDII Code List - B106A

B106A - Rear Defrost Control Circuit Short To Battery

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

B106A Possible Causes

What does this mean?
  • Faulty Window Defogger Relay
  • Window Defogger Relay harness is open or shorted
  • Window Defogger Relay circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B106A?

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.
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Cost of diagnosing the B106A code

Labor: 1.0

The cost of diagnosing the B106A 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)

B106A Description

The Body Control Module (BCM) monitors the Window Defogger Relay. The BCM sets the OBDII code when it detects a short to voltage on the Defogger Relay Control circuit.
OBDII Code B106a - Rear Defrost Control Circuit Short To Battery - AutoCodes.com

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