AutoCodesBuick – B2375 Buick

B2375 Buick Code - Driver Seat Horizontal Position Sensor Circuit

Quick Answer

The Seat Memory Control Module monitors the position of the seat motors by using hall effect position sensors which are an internal part of each motor. Common causes include Faulty Driver Seat Horizontal Motor, Driver Seat Horizontal Motor harness is open or shorted, Driver Seat Horizontal Motor 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
B2375 Buick indicates Driver Seat Horizontal Position Sensor Circuit.
Common causes
Common causes include Faulty Driver Seat Horizontal Motor, Driver Seat Horizontal Motor harness is open or shorted, Driver Seat Horizontal Motor 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 1,019
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 17, 2023
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Code B2375 Buick Description

The Seat Memory Control Module monitors the position of the seat motors by using hall effect position sensors which are an internal part of each motor. The module supplies each sensor with a 12 V reference circuit only when any seat motor is active, and a low side signal circuit. During seat motor operation, the hall effect position sensor provides a determined number of pulse signals for every revolution of the motor shaft. The scan tool displays these pulse signals as counts that range from 0–65,535. The module counts the feedback pulses from each sensor to determine seat position and end-of-travel limits for each of the seat motors. High scan tool count values indicate forward or upward seat positions while low count values indicate rearward or downward seat positions. The Diagnostic Trouble Code (DTC) will be set when there is a fault in the Driver Seat Horizontal Position Sensor Circuit.
OBDII Code B2375 Buick - Driver Seat Horizontal Position Sensor Circuit - AutoCodes.com
B2375 Buick Code - Driver Seat Horizontal Position Sensor Circuit

What are the Possible Causes of the DTC B2375 Buick?

  • Faulty Driver Seat Horizontal Motor
  • Driver Seat Horizontal Motor harness is open or shorted
  • Driver Seat Horizontal Motor circuit poor electrical connection
  • Faulty Driver Seat Memory Control Module

How to Fix the DTC B2375 Buick?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2375 Buick 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 B2375 Buick Code

1. What does the OBDII code B2375 mean for a Buick?

The B2375 code indicates a problem with the driver seat horizontal position sensor circuit, which monitors the forward and backward movement of the seat.

2. What are the common symptoms of code B2375 in a Buick?

Symptoms may include the driver seat not moving forward or backward, erratic seat movement, or the seat position memory not functioning properly.

3. What causes the B2375 code to appear?

Common causes include a faulty seat position sensor, damaged wiring or connectors in the circuit, or a malfunctioning seat control module.

4. Can I still drive my Buick with code B2375?

Yes, the vehicle is still drivable, but the seat adjustment feature may not work correctly, which could reduce comfort or proper driving posture.

5. How do I diagnose the B2375 code in my Buick?

Diagnosis involves inspecting the seat position sensor, checking for damaged wiring or loose connections, and testing the seat control module for faults.

6. Can a blown fuse cause the B2375 code?

Yes, a blown fuse in the seat adjustment circuit could interrupt power to the sensor and trigger the code.

7. How do I fix the B2375 code in a Buick?

Repairs may include replacing the driver seat position sensor, repairing or replacing damaged wiring, or recalibrating or replacing the seat control module.

8. How much does it cost to fix the B2375 code?

Repair costs vary but typically range from $100 to $300, depending on whether the sensor, wiring, or control module needs replacement.

9. Can I reset the B2375 code without repairs?

Clearing the code without addressing the underlying issue may cause it to return. Proper diagnosis and repair are recommended.

10. Is the B2375 code a common issue in Buicks?

It’s not very common but can occur in older models or vehicles with heavy seat usage or wear on the adjustment system.

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