AutoCodes – Chevrolet – B243A 2018 Chevrolet Silverado

B243A 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 219

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Left Front Seat Heating Switch - AutoCodes.com — B243A 2018 Chevrolet Silverado Code - Left Front Seat Heating Switch

What does this mean?

What are the Possible Causes of the DTC B243A 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado?

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 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

Need more information on how to fix the B243A 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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 2018 Chevrolet Silverado Code

1. What does the OBDII code B243A on a 2018 Chevrolet Silverado indicate?

This code refers to a fault in the left front seat heating switch circuit.

2. What are the common symptoms of a B243A code in a 2018 Chevrolet Silverado?

Common symptoms include inoperative left front seat heating, illuminated seat heating switch indicator, and potential issues with the heating system.

3. What are the possible causes of the B243A code in a 2018 Chevrolet Silverado?

Causes can include a faulty seat heating switch, damaged wiring or connectors, a blown fuse, or a malfunctioning seat heating module.

4. How can I diagnose the B243A code in my 2018 Chevrolet Silverado?

Diagnosis typically involves checking the seat heating switch for proper operation, inspecting wiring and connectors for damage, testing fuses related to the heating system, and using a scan tool to retrieve trouble codes.

5. Can I repair the B243A code in my 2018 Chevrolet Silverado myself?

Depending on your skill level, you may be able to repair the issue yourself by replacing the faulty seat heating switch, repairing damaged wiring, or addressing any other identified problems.

6. Is it safe to continue driving with a B243A code in my 2018 Chevrolet Silverado?

It is generally safe to continue driving, but you may lose the functionality of the left front seat heating until the issue is resolved.

7. How much does it typically cost to repair a B243A code in a 2018 Chevrolet Silverado?

The cost of repair can vary depending on the specific cause of the issue, but it may involve parts and labor expenses for replacing components or repairing wiring.

8. Can a B243A code in a 2018 Chevrolet Silverado be triggered by a loose connection?

Yes, a loose or poor connection in the left front seat heating switch circuit can trigger the B243A trouble code.

9. Will clearing the B243A code make the issue go away permanently?

Clearing the code may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to return.

10. Are there any recalls or technical service bulletins related to the B243A code in a 2018 Chevrolet Silverado?

It's recommended to check with a Chevrolet dealership or online resources for any relevant recalls or technical service bulletins related to the B243A code in your specific vehicle model.