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B1835 Chevrolet Code - Driver Seat Lumbar Rearward Switch Circuit

Quick Answer

The B1835 code for Chevrolet vehicles specifically refers to an issue with the driver seat lumbar rearward switch circuit. Common causes include Faulty lumbar support switch, Wiring or connection issues in the circuit, Defective 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 Chevrolet indicates Driver Seat Lumbar Rearward Switch Circuit.
Common causes
Common causes include Faulty lumbar support switch, Wiring or connection issues in the circuit, Defective 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 11, 2024
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Code B1835 Chevrolet Description

The B1835 code for Chevrolet vehicles specifically refers to an issue with the driver seat lumbar rearward switch circuit. This code indicates that there is a malfunction or fault in the circuit that controls the movement of the driver's seat lumbar support in the rearward direction. The lumbar support in a vehicle's seat is designed to provide additional lower back support and adjustable comfort for the driver. When this circuit is not functioning correctly, it can impact the driver's comfort level and potentially lead to discomfort or even pain during extended periods of driving.

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

Common Causes of B1835 Chevrolet

  1. Faulty lumbar support switch.
  2. Wiring or connection issues in the circuit.
  3. Defective seat control module.
  4. Short circuit or open circuit in the wiring.
  5. Water or moisture damage to the circuit components.

Symptoms of B1835 Chevrolet

  1. Inability to adjust the driver seat lumbar support in the rearward direction.
  2. Lumbar support moving in the opposite direction or getting stuck.
  3. Intermittent operation of the lumbar support switch.
  4. Illumination of the airbag warning light on the dashboard.
  5. The driver seat lumbar support moving erratically or not responding to input from the switch.

How to Fix B1835 Chevrolet

  1. Begin by inspecting the lumbar support switch for any visible damage or wear. Replace the switch if necessary.
  2. Check the wiring harness and connectors for any signs of damage, corrosion, or loose connections. Repair or replace any damaged components.
  3. Test the seat control module for proper function using a diagnostic tool. Replace the module if it is found to be faulty.
  4. Clear the diagnostic trouble codes from the vehicle's system using a scan tool.
  5. Test the lumbar support system to ensure it is functioning correctly after the repairs have been completed.

Cost to Fix B1835 Chevrolet

The typical repair costs for addressing the B1835 code related to the driver seat lumbar rearward switch circuit can vary depending on the specific issue and the extent of the repairs needed. On average, the cost for parts and labor could range from $150 to $400. However, it's essential to keep in mind that prices may vary based on the location of the repair shop, the make and model of the vehicle, and the labor rates charged. Diagnostic time and labor rates are typically between $80 and $150 per hour, with rates potentially higher at dealerships or in metropolitan areas. It's recommended to obtain quotes from local auto repair shops for a more accurate estimate of the repair costs.

What does this mean?

Tech Notes for B1835 Chevrolet









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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 Chevrolet Code

1. What are the common symptoms of OBDII code B1835 in a Chevrolet related to the driver seat lumbar rearward switch circuit?

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

2. What are the possible causes of OBDII code B1835 in a Chevrolet related to the driver seat lumbar rearward switch circuit?

Possible causes include a faulty lumbar rearward switch, damaged wiring or connectors in the circuit, or a malfunctioning control module.

3. How can I diagnose the issue causing OBDII code B1835 in my Chevrolet related to the driver seat lumbar rearward switch circuit?

You can diagnose the issue by visually inspecting the wiring and connectors, testing the lumbar rearward switch for continuity, and using a diagnostic scan tool to retrieve and interpret the trouble code.

4. Can I repair OBDII code B1835 in my Chevrolet related to the driver seat lumbar rearward switch circuit myself?

If you have the necessary tools and expertise, you may be able to repair the issue yourself by replacing the faulty lumbar rearward switch, repairing damaged wiring, or addressing any connector issues.

5. Are there any tips for troubleshooting OBDII code B1835 in a Chevrolet related to the driver seat lumbar rearward switch circuit?

Before replacing any components, ensure proper diagnosis by checking the wiring and connectors first. Additionally, consulting the vehicle's service manual for specific diagnostic procedures can be helpful.

6. Is it safe to continue driving my Chevrolet with OBDII code B1835 related to the driver seat lumbar rearward switch circuit?

While the vehicle may still be drivable with this code, it is recommended to address the issue promptly to avoid potential discomfort or inconvenience caused by non-functional lumbar support.

7. How much does it typically cost to repair OBDII code B1835 in a Chevrolet related to the driver seat lumbar rearward switch circuit?

The cost of repair can vary depending on the specific cause of the issue, parts required, and labor rates. It's advisable to obtain quotes from different repair shops for an accurate estimate.

8. Can OBDII code B1835 in a Chevrolet related to the driver seat lumbar rearward switch circuit cause any other problems in the vehicle?

While the primary impact of this code is on the driver seat lumbar rearward switch circuit, unresolved electrical issues can potentially lead to further complications or malfunctions in the vehicle's electrical system.

9. Will resetting the trouble code eliminate OBDII code B1835 in a Chevrolet related to the driver seat lumbar rearward switch circuit?

Resetting the trouble code may temporarily clear the error code, but if the underlying issue causing the code is not addressed, it is likely to reappear upon further use of the affected system.

10. How long does it typically take to repair OBDII code B1835 in a Chevrolet related to the driver seat lumbar rearward switch circuit?

The repair time can vary based on the complexity of the issue and the expertise of the technician. Simple fixes like replacing a switch may take less time, while diagnosing and repairing wiring issues could be more time-consuming.

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