AutoCodes – Generic – B243B

B243B Code - Right Front Seat Heating Switch

Quick Answer

The Body Control Module (BCM) detects an internal fault with the seat heating switch. Common causes include Faulty Right Front Seat Heating Switch, Right Front Seat Heating Switch harness is open or shorted, Right Front Seat Heating Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B243B indicates Right Front Seat Heating Switch.
Common causes: Common causes include Faulty Right Front Seat Heating Switch, Right Front Seat Heating Switch harness is open or shorted, Right Front Seat Heating Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,171

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 26, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B243B Description

The Body Control Module (BCM) detects an internal fault with the seat heating switch. No external circuits are involved. The Diagnostic Trouble Code (DTC) sets when the BCM detects an internal fault with the seat heating switch.

OBDII Code B243B - Right Front Seat Heating Switch - AutoCodes.com — B243B Code - Right Front Seat Heating Switch

What does this mean?

What are the Possible Causes of the DTC B243B?

Faulty Right Front Seat Heating Switch
Right Front Seat Heating Switch harness is open or shorted
Right Front Seat Heating Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B243B?

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 B243B 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.

Need more information about the B243B code?

Need more information on how to fix the B243B code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B243B code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B243B Buick — Right Front Seat Heating Switch
B243B Cadillac — Right Front Seat Heating Switch
B243B Chevrolet — Right Front Seat Heating Switch
B243B GMC — Right Front Seat Heating Switch
B243B Lexus — LED Wiring for High Beam Left Circuit
B243B Toyota — LED Wiring for High Beam Left Circuit

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 B243B Code

1. What are common symptoms of OBDII code B243B for the Right Front Seat Heating Switch?

The common symptoms include a non-functioning or malfunctioning right front seat heating switch.

2. What can cause the OBDII code B243B related to the Right Front Seat Heating Switch?

The code B243B can be triggered by a faulty seat heating switch, damaged wiring, or a malfunction in the heating system.

3. How can I diagnose the cause of OBDII code B243B for the Right Front Seat Heating Switch?

You can diagnose the issue by checking the wiring connections, testing the seat heating switch for proper functionality, and inspecting the heating system components.

4. What is the typical repair for OBDII code B243B associated with the Right Front Seat Heating Switch?

The repair usually involves replacing the faulty right front seat heating switch, repairing any damaged wiring, or addressing issues within the heating system.

5. Can I reset OBDII code B243B for the Right Front Seat Heating Switch on my own?

You can reset the code using an OBDII scanner or by disconnecting the car battery for a few minutes. However, it is important to address the underlying issue causing the code to prevent it from recurring.

6. Are there any tips for preventing OBDII code B243B related to the Right Front Seat Heating Switch?

Regularly inspecting the seat heating switch, avoiding excessive force when using the switch, and maintaining the heating system can help prevent the occurrence of this code.

7. Is it safe to continue driving with OBDII code B243B for the Right Front Seat Heating Switch active?

It is generally safe to drive with this code, but it is recommended to address the issue promptly to ensure the proper functioning of the right front seat heating system.

8. Can a DIY enthusiast repair OBDII code B243B for the Right Front Seat Heating Switch?

Depending on the level of expertise, a DIY enthusiast can attempt to repair this code by following the diagnostic steps and replacing the faulty components.

9. How much does it cost to repair OBDII code B243B associated with the Right Front Seat Heating Switch at a professional mechanic?

The cost of repair can vary depending on the exact cause of the issue, but it typically ranges from $100 to $300 for parts and labor.

10. Will fixing OBDII code B243B for the Right Front Seat Heating Switch affect the overall performance of my vehicle?

Fixing this code will restore the functionality of the right front seat heating system and ensure a comfortable driving experience, but it will not have a significant impact on the overall performance of the vehicle.