AutoCodes – Dodge – B106A Dodge

B106A Dodge Code - Rear Defrost Control Circuit Short To Battery

Quick Answer

The Body Control Module (BCM) monitors the Window Defogger Relay. Common causes include Faulty Window Defogger Relay, Window Defogger Relay harness is open or shorted, Window Defogger Relay circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B106A Dodge indicates Rear Defrost Control Circuit Short To Battery.
Common causes
Common causes include Faulty Window Defogger Relay, Window Defogger Relay harness is open or shorted, Window Defogger Relay circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 3,351
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 18, 2024
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Code B106A Dodge 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 Dodge - Rear Defrost Control Circuit Short To Battery - AutoCodes.com
B106A Dodge Code - Rear Defrost Control Circuit Short To Battery

What are the Possible Causes of the DTC B106A Dodge?

  • 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 to Fix the DTC B106A Dodge?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B106A Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B106A Dodge Code

1. What are common symptoms of OBDII code B106A in a Dodge related to the rear defrost control circuit short to battery?

The common symptoms include the rear defroster not working, the rear defrost indicator light staying on, or the fuse for the rear defroster circuit blowing frequently.

2. What can cause the OBDII code B106A in a Dodge for the rear defrost control circuit short to battery?

Potential causes include damaged wiring, a faulty rear defrost switch, a short circuit in the defrost grid, or a malfunctioning rear defrost module.

3. How can I diagnose the OBDII code B106A in a Dodge specifically for the rear defrost control circuit short to battery?

You can start by checking the rear defrost fuse, inspecting the wiring for any visible damage, testing the rear defrost switch for continuity, and using a multimeter to check for shorts in the defrost grid.

4. Are there any quick checks or tips for repairing the OBDII code B106A in a Dodge related to the rear defrost control circuit short to battery?

One quick tip is to visually inspect the rear defrost grid for any breaks or damage, as this is a common issue that can cause a short circuit. Also, ensure all connectors in the circuit are securely connected.

5. Can I drive my Dodge safely with the OBDII code B106A for the rear defrost control circuit short to battery?

It is generally safe to drive the vehicle with this code, but you may experience limited rear visibility in certain weather conditions without a functioning rear defroster.

6. Is it possible to reset the OBDII code B106A in a Dodge related to the rear defrost control circuit short to battery without repairing the issue?

Resetting the code without fixing the underlying problem will likely result in the code reappearing once the issue is detected again by the vehicle's diagnostic system.

7. How much does it typically cost to repair the OBDII code B106A in a Dodge for the rear defrost control circuit short to battery?

Repair costs can vary depending on the exact cause of the issue, but it may range from $100-$300 for parts and labor, excluding any diagnostic fees.

8. Can extreme weather conditions affect the occurrence of the OBDII code B106A in a Dodge for the rear defrost control circuit short to battery?

Extreme cold or hot weather can potentially exacerbate issues with the rear defroster circuit, leading to shorts or malfunctions that trigger the B106A trouble code.

9. Are there any preventive measures I can take to avoid the OBDII code B106A in a Dodge related to the rear defrost control circuit short to battery?

Regularly inspecting the rear defrost system, avoiding overloading the rear window with heavy items, and using the defroster moderately can help prevent issues that lead to this trouble code.

10. Is it necessary to have the OBDII code B106A in a Dodge for the rear defrost control circuit short to battery repaired immediately?

While it's not an emergency, it's recommended to address the issue promptly to ensure proper functionality of the rear defrost system, especially in inclement weather conditions.

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