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B1735 2016 GMC Sierra Code - Driver Seat Front Up Switch Circuit

Quick Answer

The B1735 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the driver seat front up switch circuit. Common causes include Faulty front up switch on the driver's seat, Damaged wiring or connectors in the seat adjustment circuit, 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
B1735 2016 GMC Sierra indicates Driver Seat Front Up Switch Circuit.
Common causes
Common causes include Faulty front up switch on the driver's seat, Damaged wiring or connectors in the seat adjustment circuit, 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 18, 2024
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Code B1735 2016 GMC Sierra Description

The B1735 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the driver seat front up switch circuit. This code indicates that there is a malfunction in the circuit that controls the front up movement of the driver's seat. The driver seat in modern vehicles is equipped with various electronic controls to adjust the seat position for optimal comfort and driving position. When this code is triggered, it means that there is a problem with the electrical circuit responsible for moving the seat upward.

OBDII Code B1735 2016 GMC Sierra - Driver Seat Front Up Switch Circuit
B1735 2016 GMC Sierra Code - Driver Seat Front Up Switch Circuit

Common Causes of B1735 2016 GMC Sierra

  1. Faulty front up switch on the driver's seat.
  2. Damaged wiring or connectors in the seat adjustment circuit.
  3. Malfunctioning seat control module.
  4. Loose connections or poor electrical contact.
  5. Water or moisture damage affecting the seat controls.

Symptoms of B1735 2016 GMC Sierra

  1. Inability to adjust the driver's seat upward.
  2. Unresponsive front up switch on the driver's seat.
  3. Seat moving in the wrong direction when attempting to adjust it.
  4. Intermittent seat movement or jerky motion.
  5. Warning light on the dashboard related to the seat adjustment system.

How to Fix B1735 2016 GMC Sierra

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the trouble codes and pinpoint the problem area.
  2. Inspect the front up switch on the driver's seat for any visible damage or signs of wear. Replace the switch if necessary.
  3. Check the wiring and connectors in the seat adjustment circuit for any breaks, frays, or corrosion. Repair or replace damaged components.
  4. Test the seat control module for proper functionality and replace it if it is found to be faulty.
  5. Clear the DTCs from the vehicle's computer memory and test the seat adjustment system to ensure that the issue has been resolved.

Cost to Fix B1735 2016 GMC Sierra

The cost of repairing the driver seat front up switch circuit on a 2016 GMC Sierra can vary depending on the specific cause of the issue and the parts and labor required for the repair. On average, the cost for this type of repair can range from $150 to $400, including parts and labor. However, it is important to note that prices may vary based on the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. It is recommended to consult with a professional mechanic to get an accurate estimate for this repair. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates may differ at dealerships or independent shops.

What does this mean?

Tech Notes for B1735 2016 GMC Sierra









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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 B1735 2016 GMC Sierra Code

1. What does the OBDII code B1735 mean on a 2016 GMC Sierra?

The code B1735 indicates an issue with the driver seat front up switch circuit, which is responsible for controlling the upward movement of the front portion of the driver’s seat.

2. What are the common symptoms of a B1735 code on a 2016 GMC Sierra?

Symptoms include the driver’s seat front not moving upward, limited seat adjustment functionality, or no response when using the seat adjustment switch.

3. What causes the B1735 code to appear on a 2016 GMC Sierra?

Common causes include a faulty seat adjustment switch, damaged wiring or connectors in the circuit, or a malfunctioning seat position motor.

4. How do I diagnose the B1735 code on my 2016 GMC Sierra?

Start by visually inspecting the seat adjustment switch, wiring, and connectors for damage or disconnection. Use a multimeter to check for proper voltage and continuity in the circuit.

5. Can I drive my 2016 GMC Sierra with the B1735 code active?

Yes, the vehicle is drivable, but seat adjustment functionality may be limited or unavailable, which could impact comfort or driving position.

6. How do I fix the B1735 code on a 2016 GMC Sierra?

Repairs may include replacing a faulty seat adjustment switch, repairing or replacing damaged wiring or connectors, or replacing the seat position motor if it's defective.

7. How much does it cost to repair the B1735 code on a 2016 GMC Sierra?

Depending on the issue, repairs can range from $50 to $300, with switch replacement being on the lower end and motor replacement on the higher end.

8. Can a blown fuse cause the B1735 code on a 2016 GMC Sierra?

It’s possible if the fuse connected to the seat adjustment circuit is blown. Check the fuse box and replace the corresponding fuse if necessary.

9. Will clearing the B1735 code fix the issue on my 2016 GMC Sierra?

Clearing the code may temporarily reset it, but the underlying problem must be addressed for a permanent fix. Otherwise, the code will likely return.

10. Do I need a professional to repair the B1735 code on my 2016 GMC Sierra?

While basic troubleshooting can be done at home, complex issues like motor replacement or in-depth wiring repairs may require professional assistance.

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