AutoCodes – Chevrolet – B1835 2018 Chevrolet Silverado

B1835 2018 Chevrolet Silverado Code - Driver Seat Lumbar Rearward Switch Circuit

Quick Answer

The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster 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: B1835 2018 Chevrolet Silverado indicates Driver Seat Lumbar Rearward Switch Circuit.
Common causes: Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster 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 212

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Apr 24, 2023

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code B1835 2018 Chevrolet Silverado Description

The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. When the power seat or lumbar switches are pressed, the appropriate signal circuit from the Seat Memory Control Module is pulled low through the switch contacts indicating the power seat command. The Seat Memory Control Module then commands the driver seat or lumbar to move in response to the switch signals. The Diagnostic Trouble Code (DTC) will be set when there is a short to ground on a switch signal circuit.

OBDII Code B1835 2018 Chevrolet Silverado - Driver Seat Lumbar Rearward Switch Circuit - AutoCodes.com — B1835 2018 Chevrolet Silverado Code - Driver Seat Lumbar Rearward Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B1835 2018 Chevrolet Silverado?

Faulty Driver Seat Adjuster Switch
Driver Seat Adjuster Switch harness is open or shorted
Driver Seat Adjuster Switch circuit poor electrical connection
Faulty Seat Memory Control Module

How to Fix the DTC B1835 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 does this mean?

Code Tech Notes

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1835 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 B1835 2018 Chevrolet Silverado 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 B1835 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B1835 in a 2018 Chevrolet Silverado?

- The common symptoms include non-functioning or erratic operation of the driver seat lumbar rearward switch.

2. What could cause the Driver Seat Lumbar Rearward Switch Circuit issue in a 2018 Silverado?

- Possible causes can include a faulty lumbar rearward switch, damaged wiring or connectors, or issues with the seat control module.

3. How can I diagnose the Driver Seat Lumbar Rearward Switch Circuit problem in my 2018 Chevrolet Silverado?

- You can start by checking the wiring and connectors for any visible damage, testing the lumbar rearward switch for continuity, and using a scan tool to retrieve the trouble codes.

4. Can I repair the OBDII code B1835 issue in my Silverado at home?

- Depending on the exact cause, you may be able to repair the problem at home by replacing the faulty switch, repairing wiring issues, or addressing connector problems.

5. Is it safe to continue driving my 2018 Chevrolet Silverado with the Driver Seat Lumbar Rearward Switch Circuit problem?

- While it may not affect the overall drivability of the vehicle, it is recommended to address the issue promptly to ensure proper functioning of the driver seat controls.

6. Will resetting the OBDII code B1835 in my Silverado make the problem go away?

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

7. How much does it typically cost to repair the Driver Seat Lumbar Rearward Switch Circuit problem in a 2018 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the switch, repairing wiring, or addressing module problems.

8. Can a DIY enthusiast with basic automotive knowledge fix the Driver Seat Lumbar Rearward Switch Circuit issue in a Silverado?

- Yes, with the right tools and guidance, a DIY enthusiast can troubleshoot and repair the lumbar rearward switch circuit problem in a 2018 Chevrolet Silverado.

9. Are there any recalls or service bulletins related to OBDII code B1835 in the 2018 Chevrolet Silverado?

- It's advisable to check with a Chevrolet dealership or online databases to see if there are any relevant recalls or service bulletins for this specific issue.

10. How can I prevent the recurrence of the Driver Seat Lumbar Rearward Switch Circuit problem in my 2018 Silverado?

- Regularly inspecting and maintaining the seat controls, avoiding excessive force when operating the switches, and addressing any electrical issues promptly can help prevent the problem from reoccurring.