AutoCodes – GMC – B243B 2015 GMC Sierra

B243B 2015 GMC Sierra 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 2015 GMC Sierra 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 169

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 2015 GMC Sierra 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 2015 GMC Sierra - Right Front Seat Heating Switch - AutoCodes.com — B243B 2015 GMC Sierra Code - Right Front Seat Heating Switch

What does this mean?

What are the Possible Causes of the DTC B243B 2015 GMC Sierra?

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 2015 GMC Sierra?

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 2015 GMC Sierra 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 2015 GMC Sierra code?

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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 B243B 2015 GMC Sierra Code

1. What does OBDII code B243B for the 2015 GMC Sierra indicate?

- This code specifically relates to a fault in the right front seat heating switch.

2. What are common symptoms of OBDII code B243B in a 2015 GMC Sierra?

- Common symptoms include non-functioning or erratic operation of the right front seat heating system.

3. What are possible causes of OBDII code B243B in a 2015 GMC Sierra?

- Causes may include a malfunctioning seat heating switch, wiring issues, or a problem with the heating element in the seat.

4. How can I diagnose the issue related to OBDII code B243B in my 2015 GMC Sierra?

- To diagnose the problem, you can start by checking the wiring connections to the right front seat heating switch and testing the switch itself for proper functionality.

5. Can I still drive my 2015 GMC Sierra with OBDII code B243B present?

- It is generally safe to drive the vehicle with this code, as it pertains to the seat heating system and does not affect the overall drivability of the vehicle.

6. How can I repair OBDII code B243B in my 2015 GMC Sierra?

- Repair may involve replacing the right front seat heating switch, repairing any damaged wiring, or addressing issues with the heating element in the seat.

7. Is it possible to reset OBDII code B243B in a 2015 GMC Sierra without repairing the issue?

- While you can clear the code with an OBDII scanner, it is recommended to address the underlying problem to prevent the code from recurring.

8. Are there any DIY tips for troubleshooting OBDII code B243B in a 2015 GMC Sierra?

- DIY tips include checking the fuse related to the seat heating system, visually inspecting the wiring for any damage, and testing the switch for continuity.

9. Will fixing OBDII code B243B in my 2015 GMC Sierra require a visit to the dealership?

- Depending on your comfort level with automotive repairs, you may be able to address the issue yourself or seek assistance from an independent mechanic specializing in electrical systems.

10. How can I prevent OBDII code B243B from occurring again in my 2015 GMC Sierra?

- To prevent the code from recurring, ensure proper maintenance of the seat heating system, avoid overloading the electrical circuit, and address any issues promptly to avoid further damage.