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B1735 2014 GMC Sierra Code - Driver Seat Front Up Switch Circuit

Quick Answer

The B1735 diagnostic trouble code (DTC) for a 2014 GMC Sierra relates to the Driver Seat Front Up Switch Circuit. Common causes include Faulty seat adjustment switch, Wiring issues or a short circuit in the seat adjustment circuit, Malfunctioning seat motor responsible for the front up movement. 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 2014 GMC Sierra indicates Driver Seat Front Up Switch Circuit.
Common causes
Common causes include Faulty seat adjustment switch, Wiring issues or a short circuit in the seat adjustment circuit, Malfunctioning seat motor responsible for the front up movement.
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 B1735 2014 GMC Sierra Description

The B1735 diagnostic trouble code (DTC) for a 2014 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's seat in modern vehicles is equipped with various electronic components that allow for adjustments to be made to ensure the driver's comfort while driving. The up switch circuit is responsible for controlling the vertical movement of the front part of the seat, allowing the driver to adjust the seat height to their liking.

OBDII Code B1735 2014 GMC Sierra - Driver Seat Front Up Switch Circuit
B1735 2014 GMC Sierra Code - Driver Seat Front Up Switch Circuit

Common Causes of B1735 2014 GMC Sierra

  1. Faulty seat adjustment switch.
  2. Wiring issues or a short circuit in the seat adjustment circuit.
  3. Malfunctioning seat motor responsible for the front up movement.
  4. Communication error between the seat control module and other related components.
  5. Mechanical obstruction preventing the front part of the seat from moving upwards.

Symptoms of B1735 2014 GMC Sierra

  1. Inability to adjust the front part of the driver's seat upwards.
  2. The front part of the driver's seat is stuck in a certain position and cannot be moved.
  3. Unresponsive seat adjustment controls for the front up movement.
  4. The seat moves erratically or makes unusual noises when attempting to adjust the front part upwards.
  5. Warning light on the dashboard indicating a problem with the seat adjustment system.

How to Fix B1735 2014 GMC Sierra

  1. Begin by conducting a thorough inspection of the seat adjustment switch, wiring, and motor to identify any visible signs of damage or malfunction.
  2. Test the circuit using a multimeter to check for continuity and proper voltage, ensuring all connections are secure.
  3. Replace the faulty seat adjustment switch if necessary, following the manufacturer's guidelines for removal and installation.
  4. If the issue lies with the seat motor, replace it with a new one and calibrate it according to the vehicle's specifications.
  5. Clear the DTC from the vehicle's memory using a diagnostic scanner after completing the repair to ensure the code does not reappear.

Cost to Fix B1735 2014 GMC Sierra

The typical repair costs for addressing a B1735 DTC related to the Driver Seat Front Up Switch Circuit in a 2014 GMC Sierra can vary depending on the specific cause of the issue. On average, you can expect to pay anywhere from $100 to $300 for parts and labor. However, it's important to note that these costs can fluctuate based on the location of the repair, the expertise of the technician, and the quality of the replacement parts used. Additionally, diagnostic time and labor rates at auto repair shops can range from $80 to $150 per hour, with rates potentially higher at dealerships or in metropolitan areas. It's recommended to obtain quotes from local repair shops to get a more accurate estimate for your specific situation.

What does this mean?

Tech Notes for B1735 2014 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 2014 GMC Sierra Code

1. What does the OBDII code B1735 indicate on a 2014 GMC Sierra?

The B1735 code indicates a fault in the "Driver Seat Front Up Switch Circuit," suggesting an issue with the electrical circuit associated with the driver seat’s front upward adjustment switch.

2. What are common symptoms of code B1735 in a 2014 GMC Sierra?

Symptoms might include the driver's seat not adjusting upward from the front, erratic movement of the seat when attempting to adjust the front upward position, or no response when the front up switch is activated.

3. What could cause the B1735 code to appear on a 2014 GMC Sierra?

Possible causes include a faulty driver seat front up switch, damaged wiring or connectors in the seat adjustment circuit, a blown fuse, or a malfunction in the seat control module.

4. How can I diagnose the problem causing the B1735 code in my 2014 GMC Sierra?

Diagnosis should begin with a visual inspection of the switch, wiring, and connectors for any signs of damage or disconnection. Using a multimeter, check for continuity and proper voltage in the switch circuit. Additionally, scanning the vehicle with an OBDII scanner can help confirm the issue and check for other related codes.

5. What steps should be taken to repair the B1735 code on a 2014 GMC Sierra?

Repair steps may include replacing the faulty driver seat front up switch, repairing or replacing damaged wires or connectors, checking and replacing any blown fuses, or reprogramming or replacing the seat control module if necessary.

6. Is it safe to drive my 2014 GMC Sierra with the B1735 code active?

While it may be safe to drive, the functionality of adjusting the driver’s seat may be impaired, which can affect driving comfort and ergonomics. It is advisable to address the issue promptly to ensure all seat adjustments are functioning correctly for safe vehicle operation.

7. Can ignoring the B1735 code lead to further vehicle issues?

Yes, ignoring the B1735 code can potentially lead to further issues, especially if related to a broader problem in the electrical system or seat control module. It’s best to resolve the issue to avoid additional electrical faults or failures in seat functionality.

8. How much does it typically cost to fix the B1735 code in a 2014 GMC Sierra?

The cost can vary widely depending on the specific repair needed. Replacing a switch might cost anywhere from $50 to $150 for parts and labor, while more extensive electrical repairs or module replacement can increase the cost significantly.

9. Are there any preventive measures to avoid the B1735 code in the future?

Preventive measures include regular maintenance checks of the vehicle’s electrical system, ensuring that seat adjustment mechanisms are clean and free from obstructions, and avoiding excessive force on switches which can lead to premature wear or failure.

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