Engine-CodesChevrolet – B1820 2016 Chevrolet Silverado

B1820 2016 Chevrolet Silverado Code - Driver Seat Recline Rearward Switch Circuit

Quick Answer

The B1820 code for a 2016 Chevrolet Silverado relates to the driver seat recline rearward switch circuit. Common causes include Faulty driver seat recline switch, Damaged wiring or connections in the switch circuit, Electrical issues within the vehicle affecting the switch circuit. 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 2016 Chevrolet Silverado indicates Driver Seat Recline Rearward Switch Circuit.
Common causes
Common causes include Faulty driver seat recline switch, Damaged wiring or connections in the switch circuit, Electrical issues within the vehicle affecting the switch circuit.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B1820 2016 Chevrolet Silverado Description

The B1820 code for a 2016 Chevrolet Silverado relates to the driver seat recline rearward switch circuit. This means that there is a malfunction in the electrical circuit that controls the driver's seat reclining movement to move rearward. The switch that controls this function may be faulty, or there could be an issue with the wiring or connections involved in the circuit. This can lead to the driver being unable to adjust the seat position as desired, affecting comfort and potentially safety while driving.

OBDII Code B1820 2016 Chevrolet Silverado - Driver Seat Recline Rearward Switch Circuit
B1820 2016 Chevrolet Silverado Code - Driver Seat Recline Rearward Switch Circuit

Common Causes of B1820 2016 Chevrolet Silverado

  1. Faulty driver seat recline switch.
  2. Damaged wiring or connections in the switch circuit.
  3. Electrical issues within the vehicle affecting the switch circuit.
  4. Water or liquid damage to the switch or wiring.
  5. General wear and tear on the switch over time.

Symptoms of B1820 2016 Chevrolet Silverado

  1. Inability to adjust the driver's seat to recline rearward.
  2. The driver's seat recline function may be stuck in one position.
  3. The recline movement of the driver's seat may be intermittent.
  4. The recline movement may be slow or unresponsive.

How to Fix B1820 2016 Chevrolet Silverado

  1. Begin by disconnecting the vehicle's battery to prevent any electrical issues while working on the circuit.
  2. Inspect the driver seat recline switch for any visible damage or signs of wear.
  3. Check the wiring and connections related to the switch for any damage or loose connections.
  4. Replace the driver seat recline switch if it is found to be faulty.
  5. Test the functionality of the switch and the recline movement of the driver's seat before reconnecting the battery.

Cost to Fix B1820 2016 Chevrolet Silverado

The cost estimate for repairing the driver seat recline rearward switch circuit on a 2016 Chevrolet Silverado can vary depending on the specific issue and the labor rates in your area. On average, the cost of replacing a faulty switch and addressing any wiring issues can range from $150 to $300. This estimate does not include diagnostic time, which can add to the overall cost. It's recommended to consult with a local auto repair shop for a more accurate cost estimate based on your vehicle's needs and location.

Tech Notes for B1820 2016 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 2016 Chevrolet Silverado Code

1. What does OBDII code B1820 for a 2016 Chevrolet Silverado indicate?

The B1820 code specifically relates to the Driver Seat Recline Rearward Switch Circuit.

2. What are common symptoms of OBDII code B1820 in a 2016 Chevrolet Silverado?

Common symptoms include non-functional or erratic behavior of the driver seat recline rearward switch.

3. What are possible causes of OBDII code B1820 in a 2016 Chevrolet Silverado?

Possible causes include damaged wiring, a faulty switch, or issues with the seat control module.

4. How can I diagnose OBDII code B1820 in my 2016 Chevrolet Silverado?

Diagnosing this code typically involves inspecting the wiring, testing the switch for continuity, and checking the seat control module for faults.

5. Can I repair OBDII code B1820 in my 2016 Chevrolet Silverado myself?

Depending on your skill level, you may be able to repair this issue yourself by replacing the faulty switch, repairing damaged wiring, or addressing any module issues.

6. Will OBDII code B1820 prevent my 2016 Chevrolet Silverado from passing an emissions test?

While the B1820 code is related to the driver seat switch circuit and not directly emissions-related, it's still recommended to address and resolve the issue.

7. Is it safe to continue driving my 2016 Chevrolet Silverado with OBDII code B1820?

It is generally safe to drive the vehicle with this code, but it's important to address the underlying issue to ensure proper functionality of the driver seat controls.

8. How much does it typically cost to repair OBDII code B1820 in a 2016 Chevrolet Silverado?

The cost of repairing this code can vary depending on the specific cause and whether you choose to do the repairs yourself or seek professional help.

9. Can a faulty driver seat recline rearward switch cause other issues in my 2016 Chevrolet Silverado?

While the immediate impact may be limited to the driver seat controls, unresolved issues with the switch could potentially lead to further electrical problems.

10. Are there any preventive measures I can take to avoid OBDII code B1820 in my 2016 Chevrolet Silverado?

Regularly inspecting and maintaining the driver seat controls, including the recline rearward switch, can help prevent issues that may trigger the B1820 code.

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