AutoCodesChevrolet – B243A 2016 Chevrolet Silverado

B243A 2016 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 2016 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 190
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 26, 2023
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Code B243A 2016 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 2016 Chevrolet Silverado - Left Front Seat Heating Switch - AutoCodes.com
B243A 2016 Chevrolet Silverado Code - Left Front Seat Heating Switch

What are the Possible Causes of the DTC B243A 2016 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 2016 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 2016 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 2016 Chevrolet Silverado code?

Need more information on how to fix the B243A 2016 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 2016 Chevrolet Silverado Code

1. What does the OBDII code B243A mean on a 2016 Chevrolet Silverado?

The code B243A indicates an issue with the left front seat heating switch, typically involving a malfunction in the circuit or the switch itself.

2. What are the common symptoms of code B243A in a 2016 Chevrolet Silverado?

Symptoms include the left front heated seat not functioning, the seat heater indicator light not illuminating, or intermittent operation of the heating feature.

3. What causes the B243A code to appear in a Chevrolet Silverado?

The most common causes are a faulty left front seat heating switch, damaged wiring or connectors, or an issue with the seat control module.

4. Can I still use the heated seat if the B243A code is present?

Typically, the left front heated seat will not function when this code is active due to the malfunction in the switch or circuit.

5. How do I diagnose the B243A code on a 2016 Chevrolet Silverado?

Diagnosis involves scanning the vehicle with an OBDII scanner, inspecting the seat heating switch and related wiring for visible damage, and testing the switch for proper operation.

6. Is it safe to drive with the B243A code on my Chevrolet Silverado?

Yes, it’s safe to drive; this code only affects the seat heating functionality and does not impact vehicle performance or safety.

7. How much does it cost to repair the B243A code on a 2016 Chevrolet Silverado?

Repair costs vary but may range from $50 to $300, depending on whether the issue is a simple wiring repair or the replacement of the seat heating switch.

8. Can I fix the B243A code myself?

If you’re comfortable with basic electrical diagnostics, you can inspect the wiring and connectors or replace the seat heating switch. For more complex issues, professional assistance may be needed.

9. Does the B243A code require replacing the left front seat heating switch?

Not always. The issue might be caused by damaged wiring or a loose connector, so thorough diagnosis is essential before replacing the switch.

10. Will clearing the B243A code fix the problem?

Clearing the code will not fix the underlying issue. The problem needs to be identified and resolved for the code not to return.

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