AutoCodesBuick – B2376 Buick

B2376 Buick Code - Seat Assembly Horizontal Position Sensor Range/Performance

Quick Answer

The sensor that sets this Diagnostic Trouble Code (DTC) is attached to the seat directional motor it monitors. Common causes include Faulty Seat Assembly Horizontal Position Sensor, Seat Assembly Horizontal Position Sensor harness is open or shorted, Seat Assembly Horizontal Position Sensor 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
B2376 Buick indicates Seat Assembly Horizontal Position Sensor Range/Performance.
Common causes
Common causes include Faulty Seat Assembly Horizontal Position Sensor, Seat Assembly Horizontal Position Sensor harness is open or shorted, Seat Assembly Horizontal Position Sensor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 796
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 13, 2019
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Code B2376 Buick Description

The sensor that sets this Diagnostic Trouble Code (DTC) is attached to the seat directional motor it monitors. It receives a 5-volt reference and low reference from the Memory Seat Module (MSM)/Driver Position Module (DPM). The sensor sends a voltage signal that varies with the movement of the seat through the sensor signal circuit to the MSM/DPM. Then based on this voltage signal, the MSM/DPM determines the position of the seat.
OBDII Code B2376 Buick - Seat Assembly Horizontal Position Sensor Range/Performance - AutoCodes.com
B2376 Buick Code - Seat Assembly Horizontal Position Sensor Range/Performance

What are the Possible Causes of the DTC B2376 Buick?

  • Faulty Seat Assembly Horizontal Position Sensor
  • Seat Assembly Horizontal Position Sensor harness is open or shorted
  • Seat Assembly Horizontal Position Sensor circuit poor electrical connection
  • Faulty Memory Seat Module (MSM)/Driver Position Module (DPM)

How to Fix the DTC B2376 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2376 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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Need Help with the Code?

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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 B2376 Buick Code

1. What does the OBDII code B2376 mean on a Buick?

The B2376 code indicates an issue with the Seat Assembly Horizontal Position Sensor, specifically a range or performance problem.

2. What are the symptoms of code B2376 in a Buick?

Common symptoms include the power seat not moving horizontally, erratic seat movement, or the seat position memory not functioning properly.

3. What causes the B2376 code to appear?

Possible causes include a faulty horizontal position sensor, damaged wiring or connectors, or a malfunction within the seat control module.

4. Can I still drive my Buick with a B2376 code?

Yes, you can still drive the vehicle, but seat positioning may be limited or unsafe for certain drivers. It’s best to address the issue promptly.

5. How is the B2376 code diagnosed in a Buick?

A technician will inspect the seat position sensor, wiring, and connectors, and may use a scan tool to monitor sensor performance and verify the fault.

6. How do I fix the B2376 code in my Buick?

Repairs may involve replacing the seat horizontal position sensor, repairing damaged wiring, or reprogramming the seat control module.

7. How much does it cost to repair a B2376 code?

Repair costs can range from $150 to $400, depending on whether the sensor, wiring, or control module needs replacement.

8. Can I reset the B2376 code myself?

Resetting the code without fixing the underlying issue may temporarily clear it, but the problem will likely return until repairs are completed.

9. What tools are needed to troubleshoot the B2376 code?

Tools may include a diagnostic scan tool, a multimeter for testing wiring, and basic hand tools for accessing the seat components.

10. Is the B2376 code common in Buicks?

This code is not very common but may occur in vehicles with power seat systems that experience wear or electrical issues over time.

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