Engine-CodesGMC – B1755 2018 GMC Sierra

B1755 2018 GMC Sierra Code - Driver Seat Assembly Forward Switch Circuit

Quick Answer

The B1755 code for a 2018 GMC Sierra indicates a problem with the driver seat assembly forward switch circuit. Common causes include Faulty driver seat forward switch, Damaged wiring or connectors in the circuit, Loose connections in the circuit. 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
B1755 2018 GMC Sierra indicates Driver Seat Assembly Forward Switch Circuit.
Common causes
Common causes include Faulty driver seat forward switch, Damaged wiring or connectors in the circuit, Loose connections in the circuit.
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 Aug 19, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B1755 2018 GMC Sierra Description

The B1755 code for a 2018 GMC Sierra indicates a problem with the driver seat assembly forward switch circuit. This means that there is a malfunction in the circuit that controls the forward movement of the driver's seat. The driver seat assembly forward switch is responsible for allowing the driver to adjust the seat position to their comfort. When this circuit is compromised, the driver may experience difficulty moving the seat forward or backward.

OBDII Code B1755 2018 GMC Sierra - Driver Seat Assembly Forward Switch Circuit
B1755 2018 GMC Sierra Code - Driver Seat Assembly Forward Switch Circuit

Common Causes of B1755 2018 GMC Sierra

  1. Faulty driver seat forward switch.
  2. Damaged wiring or connectors in the circuit.
  3. Loose connections in the circuit.
  4. Short circuit in the driver seat assembly forward switch circuit.
  5. Issues with the seat control module.

Symptoms of B1755 2018 GMC Sierra

  1. Inability to move the driver's seat forward or backward.
  2. Erratic movement of the driver's seat when using the forward switch.
  3. Unresponsive forward switch when attempting to adjust the seat position.
  4. Intermittent functioning of the driver seat forward switch.

How to Fix B1755 2018 GMC Sierra

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to confirm the B1755 code.
  2. Inspect the driver seat forward switch for any physical damage or signs of malfunction.
  3. Check the wiring and connectors in the circuit for any breaks, corrosion, or loose connections.
  4. Repair or replace the faulty components, such as the switch, wiring, or connectors.
  5. Clear the trouble code from the vehicle's computer system and test the driver seat assembly forward switch for proper functionality.

Cost to Fix B1755 2018 GMC Sierra

The typical repair costs for addressing a B1755 code related to the driver seat assembly forward switch circuit in a 2018 GMC Sierra can range from $150 to $400, depending on the extent of the damage and the cost of replacement parts. It's important to consider that labor rates at auto repair shops can vary, so it's advisable to get a specific estimate from a trusted mechanic or dealership in your area.

Tech Notes for B1755 2018 GMC Sierra





User Submitted Video

Need more information about the B1755 2018 GMC Sierra code?

Need more information on how to fix the B1755 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1755 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 B1755 2018 GMC Sierra Code

1. What does the OBDII code B1755 mean on a 2018 GMC Sierra?

Code B1755 indicates a problem with the driver seat assembly forward switch circuit, specifically an issue with the electrical circuit controlling the forward movement of the driver seat.

2. What are the common symptoms of code B1755 in a 2018 GMC Sierra?

Symptoms include the driver seat not moving forward when using the adjustment switch, unusual noises when attempting to adjust the seat, or intermittent seat movement.

3. What causes OBDII code B1755 to appear in a 2018 GMC Sierra?

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

4. How can I diagnose the cause of code B1755 in my GMC Sierra?

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

5. Can I still drive my 2018 GMC Sierra with code B1755?

Yes, the issue is not critical to vehicle operation, but you may find it inconvenient if you cannot adjust the driver seat properly.

6. How do I fix code B1755 on a 2018 GMC Sierra?

Repairs may involve replacing the seat adjustment switch, repairing damaged wiring or connectors, or replacing the seat motor if it’s faulty.

7. How much does it cost to fix code B1755 on a GMC Sierra?

The cost varies depending on the specific issue but typically ranges from $100 to $300 for parts and labor, assuming no major components like the seat motor need replacement.

8. Can I repair code B1755 myself on a 2018 GMC Sierra?

If you have basic electrical knowledge and tools like a multimeter, you can inspect and replace damaged components. For complex repairs, such as replacing the seat motor, professional assistance may be needed.

9. Does a blown fuse cause code B1755 in a GMC Sierra?

While possible, a blown fuse is less likely the primary cause of this code. However, it’s worth checking the fuse related to the power seat system as part of your diagnosis.

10. Will clearing the code fix the B1755 issue in my GMC Sierra?

Clearing the code may temporarily erase it from the system, but if the underlying issue isn’t fixed, the code will return. Proper diagnosis and repair are necessary to resolve the problem.

Discuss the causes and fixes for B1755 2018 GMC Sierra OBDII Code

Code B1755 2018 GMC Sierra comments

No comments found for this page.