Engine-CodesChevrolet – B1835 2015 Chevrolet Silverado

B1835 2015 Chevrolet Silverado Code - Driver Seat Lumbar Rearward Switch Circuit

Quick Answer

The B1835 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado refers to an issue with the Driver Seat Lumbar Rearward Switch Circuit. Common causes include Damaged wiring in the lumbar support circuit, Faulty lumbar support 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
B1835 2015 Chevrolet Silverado indicates Driver Seat Lumbar Rearward Switch Circuit.
Common causes
Common causes include Damaged wiring in the lumbar support circuit, Faulty lumbar support 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.
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code B1835 2015 Chevrolet Silverado Description

The B1835 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado refers to an issue with the Driver Seat Lumbar Rearward Switch Circuit. This code indicates that there is a malfunction in the circuit that controls the lumbar support adjustment in the driver's seat. The lumbar support feature allows the driver to adjust the lower back support to their comfort level, providing better ergonomics and reducing fatigue during long drives.

OBDII Code B1835 2015 Chevrolet Silverado - Driver Seat Lumbar Rearward Switch Circuit
B1835 2015 Chevrolet Silverado Code - Driver Seat Lumbar Rearward Switch Circuit

Common Causes of B1835 2015 Chevrolet Silverado

  1. Damaged wiring in the lumbar support circuit.
  2. Faulty lumbar support switch.
  3. Malfunctioning seat control module.
  4. Defective seat motor.
  5. Corrosion or loose connections in the circuit.

Symptoms of B1835 2015 Chevrolet Silverado

  1. Inability to adjust the lumbar support in the driver's seat.
  2. Unresponsive or erratic behavior from the lumbar support switch.
  3. Strange noises coming from the seat when attempting to adjust the lumbar support.
  4. Uneven or uncomfortable seating position while driving.
  5. Illumination of the airbag warning light on the dashboard.

How to Fix B1835 2015 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the wiring harness and connections related to the lumbar support circuit.
  2. Test the lumbar support switch for proper functionality using a multimeter.
  3. Check the seat control module for any signs of damage or malfunction.
  4. Inspect the seat motor for proper operation and replace if necessary.
  5. Clear the DTC from the vehicle's computer using a diagnostic scanner after completing the repair.

Cost to Fix B1835 2015 Chevrolet Silverado

The typical repair costs for addressing a B1835 code in a 2015 Chevrolet Silverado can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to inquire about local rates for a more accurate estimate.

Tech Notes for B1835 2015 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 B1835 2015 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code B1835 in a 2015 Chevrolet Silverado related to the Driver Seat Lumbar Rearward Switch Circuit?

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

2. What causes the OBDII code B1835 in a 2015 Chevrolet Silverado?

The code B1835 is typically triggered by a malfunction or wiring issue in the driver seat lumbar rearward switch circuit.

3. How can I diagnose the OBDII code B1835 in my 2015 Chevrolet Silverado?

To diagnose the issue, you can perform a visual inspection of the wiring, check the lumbar rearward switch for proper operation, and use a multimeter to test for continuity and proper voltage.

4. Can I repair the OBDII code B1835 in my 2015 Chevrolet Silverado myself?

If you have some experience with automotive electrical systems, you may be able to repair the issue yourself by fixing any wiring problems, replacing the lumbar rearward switch, or addressing any loose connections.

5. Is it safe to continue driving my 2015 Chevrolet Silverado with the OBDII code B1835?

It is generally not recommended to drive the vehicle with unresolved OBDII codes, as they may indicate underlying issues that could affect the vehicle's performance and safety.

6. How much does it typically cost to repair the OBDII code B1835 in a 2015 Chevrolet Silverado at a dealership or repair shop?

The cost of repairs can vary depending on the exact cause of the issue and labor rates in your area, but it may range from a few hundred to a thousand dollars.

7. Are there any recalls or service bulletins related to the OBDII code B1835 in a 2015 Chevrolet Silverado?

It is recommended to check with a Chevrolet dealership or online databases to see if there are any related recalls or service bulletins that may cover the repair for this specific OBDII code.

8. Will resetting the OBDII code B1835 in my 2015 Chevrolet Silverado make it go away permanently?

Simply resetting the code may temporarily clear the warning light, but if the underlying issue causing the code is not addressed, it is likely to reappear.

9. Can extreme temperatures or moisture affect the driver seat lumbar rearward switch circuit and trigger the OBDII code B1835 in a 2015 Chevrolet Silverado?

Yes, extreme temperatures or moisture can potentially cause electrical issues in the circuit, leading to the activation of the OBDII code B1835.

10. How long does it typically take to repair the OBDII code B1835 in a 2015 Chevrolet Silverado?

The repair time can vary depending on the exact cause of the issue and the technician's experience, but it may take anywhere from a couple of hours to a full day to diagnose and fix the problem.

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