AutoCodes – GMC – B243A 2014 GMC Sierra

B243A 2014 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 2014 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 162

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 2014 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 2014 GMC Sierra - Left Front Seat Heating Switch - AutoCodes.com — B243A 2014 GMC Sierra Code - Left Front Seat Heating Switch

What does this mean?

What are the Possible Causes of the DTC B243A 2014 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 2014 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 2014 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 2014 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 2014 GMC Sierra Code

1. What does OBDII code B243A on a 2014 GMC Sierra indicate?

The B243A code specifically relates to the Left Front Seat Heating Switch in a 2014 GMC Sierra.

2. What are the common symptoms of OBDII code B243A in a 2014 GMC Sierra?

Common symptoms include non-functioning or erratic operation of the left front seat heating switch.

3. What are the possible causes of OBDII code B243A in a 2014 GMC Sierra?

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

4. How can one diagnose the OBDII code B243A in a 2014 GMC Sierra?

Diagnosis involves inspecting the left front seat heating switch, checking for wiring issues, and testing the heating system components for proper functionality.

5. Can OBDII code B243A be fixed at home?

While some basic troubleshooting can be done at home, resolving the issue may require professional diagnosis and repair, especially if it involves wiring or component replacement.

6. What repair tips can help fix OBDII code B243A in a 2014 GMC Sierra?

Repair tips include checking and cleaning the switch contacts, inspecting wiring for damage, and ensuring all connections are secure.

7. Is it safe to continue driving with OBDII code B243A present in a 2014 GMC Sierra?

It is generally safe to drive with this code, but it's recommended to address the issue promptly to ensure the heating system functions correctly.

8. Will resetting the OBDII code B243A make it go away permanently?

Resetting the code may temporarily clear the warning, but if the underlying issue is not fixed, the code is likely to reappear.

9. How much does it typically cost to repair OBDII code B243A in a 2014 GMC Sierra?

The cost of repair can vary depending on the exact cause of the issue, but it may involve parts replacement, labor costs, and diagnostic fees.

10. Can OBDII code B243A affect other vehicle systems in a 2014 GMC Sierra?

While this code specifically relates to the left front seat heating switch, it's always a good practice to address any OBDII codes promptly to prevent potential issues with other vehicle systems.