AutoCodes – Chrysler – B106A Chrysler

B106A Chrysler 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 Chrysler 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 2,551

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B106A Chrysler 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 Chrysler - Rear Defrost Control Circuit Short To Battery - AutoCodes.com — B106A Chrysler Code - Rear Defrost Control Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B106A Chrysler?

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 Chrysler?

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 Chrysler 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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Need Help with the Code?

Get the B106A Chrysler code diagnosed by a professional: Find a repair shop in your area

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 Chrysler Code

1. What are the common symptoms of OBDII code B106A Chrysler (Rear Defrost Control Circuit Short To Battery)?

The common symptoms include the rear defrost not working, the rear defrost indicator light staying illuminated, and possibly a blown fuse related to the rear defrost circuit.

2. What are the possible causes of OBDII code B106A Chrysler?

Possible causes include a short to battery in the rear defrost control circuit, a faulty rear defrost switch, damaged wiring in the rear defrost circuit, or a malfunctioning rear defrost module.

3. How can I diagnose the OBDII code B106A on my Chrysler vehicle?

Diagnosing this code typically involves inspecting the rear defrost wiring for any signs of damage, testing the rear defrost switch for proper operation, and checking the rear defrost module for faults using a multimeter.

4. Can I still drive my vehicle with OBDII code B106A present?

It is generally safe to drive your vehicle with this code, but it is important to address the issue promptly to ensure the rear defrost system functions correctly, especially in cold or humid conditions.

5. How can I repair OBDII code B106A Chrysler at home?

If you have experience with automotive electrical systems, you can attempt to repair this code at home by identifying and fixing the short to battery in the rear defrost circuit, replacing any damaged wiring, or replacing the faulty rear defrost switch or module.

6. Is it recommended to seek professional help for OBDII code B106A Chrysler?

If you are not familiar with automotive electrical systems or troubleshooting codes, it is advisable to seek professional help from a certified mechanic or dealership to accurately diagnose and repair the issue.

7. What should I do if the rear defrost is not working but OBDII code B106A is not present?

If the rear defrost is not working but no fault code is present, you may want to check the rear defrost fuse, relay, and wiring connections for any issues that could be causing the malfunction.

8. Can extreme weather conditions affect the rear defrost system and trigger OBDII code B106A?

Yes, extreme cold or hot weather conditions can sometimes cause issues with the rear defrost system, leading to malfunctions that may trigger OBDII code B106A.

9. How much does it typically cost to repair OBDII code B106A Chrysler at a dealership?

The cost of repairing this code at a dealership can vary depending on the specific cause of the issue, but it may range from $100 to $300 or more, including parts and labor.

10. Will fixing OBDII code B106A Chrysler improve my vehicle's overall performance?

Fixing this code will primarily restore the functionality of the rear defrost system and ensure proper visibility through the rear window, but it may not have a direct impact on the overall performance of the vehicle.