AutoCodes – GMC – B1750 2015 GMC Sierra

B1750 2015 GMC Sierra Code - Driver Seat Rear Down Switch Circuit

Quick Answer

The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster Switch circuit poor electrical connection. 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: B1750 2015 GMC Sierra indicates Driver Seat Rear Down Switch Circuit.
Common causes: Common causes include Faulty Driver Seat Adjuster Switch, Driver Seat Adjuster Switch harness is open or shorted, Driver Seat Adjuster Switch circuit poor electrical connection.
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.

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Code Popularity 188

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 24, 2023

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code B1750 2015 GMC Sierra Description

The Seat Memory Control Module supplies a reference voltage to each signal circuit of the Driver Seat Adjuster Switch. When the power seat or lumbar switches are pressed, the appropriate signal circuit from the Seat Memory Control Module is pulled low through the switch contacts indicating the power seat command. The Seat Memory Control Module then commands the driver seat or lumbar to move in response to the switch signals. The Diagnostic Trouble Code (DTC) will be set when there is a short to ground on a switch signal circuit.

OBDII Code B1750 2015 GMC Sierra - Driver Seat Rear Down Switch Circuit - AutoCodes.com — B1750 2015 GMC Sierra Code - Driver Seat Rear Down Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B1750 2015 GMC Sierra?

Faulty Driver Seat Adjuster Switch
Driver Seat Adjuster Switch harness is open or shorted
Driver Seat Adjuster Switch circuit poor electrical connection
Faulty Seat Memory Control Module

How to Fix the DTC B1750 2015 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1750 2015 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 B1750 2015 GMC Sierra Code

1. What does OBDII code B1750 mean on a 2015 GMC Sierra?

Code B1750 refers to an issue with the Driver Seat Rear Down Switch Circuit, which controls the rear portion of the driver seat's height adjustment.

2. What are the common symptoms of code B1750 in a 2015 GMC Sierra?

Symptoms may include the rear portion of the driver seat not adjusting properly, unresponsive seat controls, or an illuminated warning light on the dashboard.

3. What causes the B1750 code to trigger on a GMC Sierra?

This code can be caused by a faulty seat adjustment switch, damaged wiring or connectors related to the circuit, or a malfunctioning seat motor.

4. How do I diagnose the B1750 code in a 2015 GMC Sierra?

Diagnosis typically involves inspecting the seat adjustment switch, checking wiring and connectors for damage or corrosion, and testing the seat motor for functionality.

5. Can I still drive my GMC Sierra with a B1750 code?

Yes, the vehicle is safe to drive, but the rear height adjustment of the driver seat may not work until the issue is resolved.

6. How do I fix the B1750 code on my 2015 GMC Sierra?

Repairs may include replacing the seat adjustment switch, repairing or replacing damaged wiring, or replacing the seat motor if itâ€™s faulty.

7. How much does it cost to repair the B1750 code on a GMC Sierra?

The cost can vary, but repairing or replacing the seat adjustment switch typically ranges from $100 to $300, depending on labor rates and part prices.

8. Can a blown fuse cause the B1750 code in a 2015 GMC Sierra?

While unlikely, a blown fuse affecting the seat adjustment system could potentially contribute to this issue and should be checked during diagnosis.

9. Is the B1750 code a common problem in GMC Sierra trucks?

Itâ€™s not a widely reported issue, but it can occur due to regular wear and tear on seat adjustment components.

10. Do I need a professional to repair the B1750 code on my 2015 GMC Sierra?

If youâ€™re familiar with automotive electrical systems, you may be able to diagnose and repair it yourself. Otherwise, itâ€™s best to consult a professional mechanic.