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B1820 2014 Chevrolet Silverado Code - Driver Seat Recline Rearward Switch Circuit

Quick Answer

The B1820 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado specifically relates to the driver seat recline rearward switch circuit. Common causes include Faulty wiring or connectors in the recline rearward switch circuit, A defective recline rearward switch, Malfunctioning seat control module. 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
B1820 2014 Chevrolet Silverado indicates Driver Seat Recline Rearward Switch Circuit.
Common causes
Common causes include Faulty wiring or connectors in the recline rearward switch circuit, A defective recline rearward switch, Malfunctioning seat control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code B1820 2014 Chevrolet Silverado Description

The B1820 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado specifically relates to the driver seat recline rearward switch circuit. This code indicates that there is a malfunction in the circuit that controls the driver's seat recline rearward function. The driver seat in modern vehicles is equipped with various electronic controls to adjust the seat position for optimal comfort and driving posture. The recline rearward switch circuit is responsible for enabling the driver to move the seat back to achieve a more reclined position.

OBDII Code B1820 2014 Chevrolet Silverado - Driver Seat Recline Rearward Switch Circuit
B1820 2014 Chevrolet Silverado Code - Driver Seat Recline Rearward Switch Circuit

Common Causes of B1820 2014 Chevrolet Silverado

  1. Faulty wiring or connectors in the recline rearward switch circuit.
  2. A defective recline rearward switch.
  3. Malfunctioning seat control module.
  4. Communication issues between the various components controlling the seat position.
  5. Physical obstruction preventing the seat from moving smoothly.

Symptoms of B1820 2014 Chevrolet Silverado

  1. Inability to adjust the driver's seat to a reclined position.
  2. Unresponsive or erratic behavior when trying to move the seat backward.
  3. Illumination of the seat adjustment control warning light on the dashboard.
  4. Audible clicking or buzzing noises when attempting to adjust the seat position.
  5. The seat may get stuck in a specific position and not move at all.

How to Fix B1820 2014 Chevrolet Silverado

  1. Begin by conducting a thorough visual inspection of the wiring and connectors in the recline rearward switch circuit to identify any visible damage or loose connections.
  2. Test the recline rearward switch for continuity and proper functionality using a multimeter.
  3. Check the seat control module for any error codes and ensure it is communicating correctly with the other components.
  4. If necessary, replace the faulty switch, repair any damaged wiring, or replace the seat control module to resolve the issue.
  5. After completing the repairs, clear the DTC from the vehicle's memory using a diagnostic scanner and test the driver's seat to ensure it can now be adjusted properly.

Cost to Fix B1820 2014 Chevrolet Silverado

The typical repair costs for addressing the B1820 code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 to $300 for parts and labor to resolve this problem. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate based on factors such as location, vehicle make and model, and engine type. It's advisable to contact local auto repair shops for more accurate estimates tailored to your situation.

What does this mean?

Tech Notes for B1820 2014 Chevrolet Silverado









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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 B1820 2014 Chevrolet Silverado Code

1. What does OBDII code B1820 for a 2014 Chevrolet Silverado indicate?

The code B1820 indicates an issue with the driver seat recline rearward switch circuit in a 2014 Chevrolet Silverado.

2. What are the common symptoms of OBDII code B1820 in a 2014 Chevrolet Silverado?

Common symptoms include the inability to adjust the driver seat recline rearward position or erratic seat movement.

3. What are possible causes of OBDII code B1820 in a 2014 Chevrolet Silverado?

Possible causes include a faulty recline rearward switch, damaged wiring or connectors, or a malfunctioning seat control module.

4. How can I diagnose the issue related to OBDII code B1820 in my 2014 Chevrolet Silverado?

You can start by checking the wiring and connectors associated with the driver seat recline rearward switch, testing the switch itself, and inspecting the seat control module for any signs of damage.

5. Can I repair OBDII code B1820 in my 2014 Chevrolet Silverado myself?

If you have experience with automotive electrical systems, you may be able to repair the issue yourself by replacing the faulty switch, repairing damaged wiring, or addressing any issues with the seat control module.

6. Is it safe to continue driving my 2014 Chevrolet Silverado with OBDII code B1820?

It is recommended to address the issue promptly to ensure the proper functioning of the driver seat controls and avoid any potential safety hazards while driving.

7. How much does it typically cost to repair OBDII code B1820 in a 2014 Chevrolet Silverado?

The cost of repair can vary depending on the specific cause of the issue, but it may involve the cost of replacement parts and potentially labor if you choose to have a professional mechanic address the problem.

8. Can OBDII code B1820 in a 2014 Chevrolet Silverado affect other vehicle systems?

While the code specifically relates to the driver seat recline rearward switch circuit, it's always a good idea to ensure that other vehicle systems are functioning properly to maintain overall safety and performance.

9. Are there any preventive measures to avoid OBDII code B1820 in a 2014 Chevrolet Silverado?

Regularly checking and maintaining the driver seat controls, avoiding excessive force when adjusting the seat, and addressing any issues promptly can help prevent the occurrence of this code.

10. Will resetting the OBDII system clear the B1820 code in my 2014 Chevrolet Silverado?

While resetting the OBDII system may temporarily clear the code, it is important to diagnose and address the underlying issue causing the B1820 code to prevent it from reoccurring.

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