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Engine-Codes – GMC – B2375 2018 GMC Sierra

B2375 2018 GMC Sierra Code - Driver Seat Horizontal Position Sensor Circuit

Quick Answer

The B2375 diagnostic trouble code (DTC) for the 2018 GMC Sierra relates to the driver seat horizontal position sensor circuit. Common causes include Faulty horizontal position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connection in the sensor 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
B2375 2018 GMC Sierra indicates Driver Seat Horizontal Position Sensor Circuit.
Common causes
Common causes include Faulty horizontal position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connection in the sensor 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code B2375 2018 GMC Sierra Description

The B2375 diagnostic trouble code (DTC) for the 2018 GMC Sierra relates to the driver seat horizontal position sensor circuit. This code indicates that there is a malfunction in the sensor circuit responsible for detecting the horizontal position of the driver's seat. The sensor is crucial for adjusting the seat position to ensure the driver's comfort and safety while operating the vehicle.

OBDII Code B2375 2018 GMC Sierra - Driver Seat Horizontal Position Sensor Circuit
B2375 2018 GMC Sierra Code - Driver Seat Horizontal Position Sensor Circuit

Common Causes of B2375 2018 GMC Sierra

  1. Faulty horizontal position sensor.
  2. Damaged wiring or connectors in the sensor circuit.
  3. Corrosion or poor connection in the sensor circuit.
  4. Issues with the electronic control module (ECM) responsible for seat adjustments.

Symptoms of B2375 2018 GMC Sierra

  1. Inability to adjust the driver's seat horizontally.
  2. Incorrect seat position memory settings.
  3. Seat adjustment controls not responding.
  4. Warning light on the dashboard related to the seat position.

How to Fix B2375 2018 GMC Sierra

  1. Begin by conducting a thorough inspection of the sensor, wiring, and connectors to identify any visible damage or corrosion.
  2. Test the sensor's functionality using a multimeter to check for proper resistance readings.
  3. If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
  4. Repair or replace any damaged wiring or connectors in the sensor circuit.
  5. Clear the DTC from the vehicle's ECM using a diagnostic scan tool to reset the system.

Cost to Fix B2375 2018 GMC Sierra

The cost of repairing the driver seat horizontal position sensor circuit can vary depending on the extent of the damage and the specific components that need replacement. On average, the parts for this repair can range from $100 to $300, while labor costs can add another $100 to $200. Overall, the total repair cost may fall between $200 and $500. However, it's essential to note that these estimates are approximate, and actual costs may differ based on the location, vehicle make and model, and labor rates at the repair facility. It's recommended to obtain a detailed quote from a trusted auto repair shop to determine the precise cost for addressing this issue.

What does this mean?

Tech Notes for B2375 2018 GMC Sierra

B2375:01 Driver Seat Horizontal Position Sensor Circuit Short to Battery

B2375:02 Driver Seat Horizontal Position Sensor Circuit Short to Ground

B2375:06 Driver Seat Horizontal Position Sensor Circuit Low Voltage/Open

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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 B2375 2018 GMC Sierra Code

1. What are the common symptoms of OBDII code B2375 in a 2018 GMC Sierra related to the Driver Seat Horizontal Position Sensor Circuit?

The common symptoms include erratic movement of the driver seat, failure of seat adjustments, and potential warning lights on the dashboard.

2. What are the possible causes of OBDII code B2375 in a 2018 GMC Sierra?

The code B2375 typically indicates a malfunction in the driver seat horizontal position sensor circuit, which can be caused by wiring issues, sensor failure, or a faulty control module.

3. How can I diagnose the issue related to the Driver Seat Horizontal Position Sensor Circuit in my 2018 GMC Sierra?

To diagnose the problem, you can start by checking the wiring connections, testing the sensor's resistance, and using a diagnostic scanner to retrieve the specific error codes.

4. Can I repair the Driver Seat Horizontal Position Sensor Circuit issue in my 2018 GMC Sierra myself?

Depending on your technical skills and knowledge, you may be able to repair the issue yourself by replacing the faulty sensor, repairing any damaged wiring, or resetting the control module.

5. Is it safe to continue driving my 2018 GMC Sierra with OBDII code B2375 related to the Driver Seat Horizontal Position Sensor Circuit?

It is not recommended to drive the vehicle with this issue, as it can affect the driver's comfort and safety by potentially causing unexpected movement or inability to adjust the seat properly.

6. How much does it typically cost to repair OBDII code B2375 in a 2018 GMC Sierra at a professional auto repair shop?

The cost of repairing OBDII code B2375 can vary depending on the exact cause of the issue, but it may range from $100 to $500 for parts and labor.

7. Can a faulty Driver Seat Horizontal Position Sensor Circuit impact other vehicle systems in a 2018 GMC Sierra?

While the primary impact of this issue is related to the driver seat adjustment, it may also affect other electronic systems that rely on accurate seat position data, such as airbag deployment systems.

8. Are there any preventive maintenance steps I can take to avoid encountering OBDII code B2375 in my 2018 GMC Sierra?

Regularly inspecting the wiring connections under the driver seat, avoiding excessive force when adjusting the seat, and addressing any abnormal seat movement promptly can help prevent issues with the horizontal position sensor circuit.

9. Will resetting the error codes using an OBDII scanner fix the problem related to the Driver Seat Horizontal Position Sensor Circuit in my 2018 GMC Sierra?

Resetting the error codes may temporarily clear the warning lights, but it will not fix the underlying issue causing OBDII code B2375. It is important to diagnose and address the root cause of the problem.

10. How long does it usually take to repair the Driver Seat Horizontal Position Sensor Circuit issue in a 2018 GMC Sierra?

The repair time can vary based on the exact cause of the problem and the complexity of the repair process, but it typically takes a few hours to a full day for a professional technician to diagnose and fix the issue.

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