AutoCodes – GMC – B243A 2015 GMC Sierra

B243A 2015 GMC Sierra Code - Left Front Seat Heating Switch

Quick Answer

The Body Control Module (BCM) detects an internal fault with the seat heating switch. Common causes include Faulty Left Front Seat Heating Switch, Left Front Seat Heating Switch harness is open or shorted, Left 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: B243A 2015 GMC Sierra indicates Left Front Seat Heating Switch.
Common causes: Common causes include Faulty Left Front Seat Heating Switch, Left Front Seat Heating Switch harness is open or shorted, Left 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 187

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 B243A 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 B243A 2015 GMC Sierra - Left Front Seat Heating Switch - AutoCodes.com — B243A 2015 GMC Sierra Code - Left Front Seat Heating Switch

What does this mean?

What are the Possible Causes of the DTC B243A 2015 GMC Sierra?

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

How to Fix the DTC B243A 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 B243A 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 B243A 2015 GMC Sierra code?

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Need Help with the 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 B243A 2015 GMC Sierra Code

1. What does OBDII code B243A on a 2015 GMC Sierra indicate?

- OBDII code B243A specifically relates to the Left Front Seat Heating Switch.

2. What are the common symptoms of OBDII code B243A in a 2015 GMC Sierra?

- Common symptoms include the left front seat heating not functioning properly or not turning on at all.

3. What are the possible causes of OBDII code B243A in a 2015 GMC Sierra?

- The code may be triggered by a faulty left front seat heating switch, damaged wiring, or a malfunction in the heating system.

4. How can I diagnose the issue related to OBDII code B243A in my 2015 GMC Sierra?

- To diagnose the problem, you can start by visually inspecting the left front seat heating switch and its wiring for any visible damage.

5. Is it safe to continue driving with OBDII code B243A in my 2015 GMC Sierra?

- While the code itself may not pose immediate safety concerns, it is recommended to address the issue promptly to ensure the proper functioning of the seat heating system.

6. Can I repair OBDII code B243A in my 2015 GMC Sierra myself?

- Depending on your experience and tools, you may be able to replace the left front seat heating switch yourself. However, if you are unsure, it's best to consult a professional mechanic.

7. How much does it typically cost to repair OBDII code B243A in a 2015 GMC Sierra?

- The cost of repairing OBDII code B243A can vary based on the exact cause of the issue and whether you choose to fix it yourself or take it to a mechanic. It's recommended to get a diagnosis and quote from a professional.

8. Are there any common issues associated with the left front seat heating switch in a 2015 GMC Sierra?

- Over time, wear and tear on the heating switch or wiring can lead to malfunctions like the one indicated by OBDII code B243A.

9. Can extreme temperatures or weather conditions affect the left front seat heating switch in a 2015 GMC Sierra?

- Extreme temperatures or moisture exposure can potentially exacerbate issues with the left front seat heating switch, so it's important to keep the interior of your vehicle protected.

10. How can I prevent OBDII code B243A from reoccurring in my 2015 GMC Sierra after repair?

- To prevent the code from reoccurring, ensure that the left front seat heating switch is installed correctly and that all wiring connections are secure. Regular maintenance checks can also help catch any issues early.