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B2119 Buick Code - Power Seat Position Sensor Voltage

Quick Answer

The B2119 diagnostic trouble code (DTC) for Buick vehicles indicates an issue with the power seat position sensor voltage. Common causes include Faulty power seat position sensor, Wiring issues or loose connections in the sensor circuit, Corrosion or damage to the sensor or its connectors. 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
B2119 Buick indicates Power Seat Position Sensor Voltage.
Common causes
Common causes include Faulty power seat position sensor, Wiring issues or loose connections in the sensor circuit, Corrosion or damage to the sensor or its connectors.
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 14, 2024
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Code B2119 Buick Description

The B2119 diagnostic trouble code (DTC) for Buick vehicles indicates an issue with the power seat position sensor voltage. This sensor is responsible for detecting the position of the power seat in the vehicle and sending this information to the vehicle's computer system. When the voltage readings from the sensor are outside of the expected range, the B2119 code is triggered.

OBDII Code B2119 Buick - Power Seat Position Sensor Voltage
B2119 Buick Code - Power Seat Position Sensor Voltage

Common Causes of B2119 Buick

  1. Faulty power seat position sensor
  2. Wiring issues or loose connections in the sensor circuit
  3. Corrosion or damage to the sensor or its connectors
  4. Issues with the power seat control module
  5. Electrical problems in the vehicle's system

Symptoms of B2119 Buick

  1. Power seat not moving to the desired position
  2. Power seat moving erratically
  3. Power seat not moving at all
  4. Power seat moving in the wrong direction
  5. Illumination of the seat position sensor warning light on the dashboard

How to Fix B2119 Buick

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to read the DTC and pinpoint the problem.
  2. Inspect the power seat position sensor and its wiring for any visible damage or corrosion. Repair or replace any damaged components.
  3. Check the connections between the sensor, control module, and the vehicle's electrical system. Ensure all connections are secure and free of debris.
  4. Test the power seat position sensor voltage using a multimeter to verify if it is within the acceptable range. Replace the sensor if necessary.
  5. Clear the DTC from the vehicle's computer system and test the power seat to ensure it is functioning properly.

Cost to Fix B2119 Buick

The typical repair costs for addressing the B2119 code related to the power seat position sensor voltage can vary depending on the specific cause of the issue. In general, replacement of the power seat position sensor itself can range from $100 to $300, while labor costs can add an additional $80 to $150 per hour. Overall, the total repair cost for this issue may range from $200 to $500, including parts and labor.

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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 B2119 Buick Code

1. What does OBDII code B2119 mean for a Buick?

Code B2119 indicates an issue with the power seat position sensor voltage, which monitors the position of the power seat.

2. What are common symptoms of code B2119 in a Buick?

Symptoms may include the power seat not adjusting properly, erratic seat movement, or a failure of the seat memory function.

3. What causes code B2119 in a Buick?

Common causes include a faulty seat position sensor, damaged wiring or connectors, or issues with the power seat control module.

4. Can I still drive my Buick with code B2119?

Yes, you can still drive the vehicle, but power seat functionality may be limited or inoperative.

5. How do I diagnose code B2119 in a Buick?

Diagnosis typically involves inspecting the seat position sensor, wiring, and connectors for damage, and using a scan tool to monitor sensor voltage.

6. How do I fix code B2119 in a Buick?

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

7. How much does it cost to fix code B2119 in a Buick?

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

8. Can a bad fuse cause code B2119 in a Buick?

While unlikely, a blown fuse in the power seat circuit could cause related issues. It’s worth checking the fuses as part of the diagnosis.

9. Can I reset code B2119 without repairs?

Clearing the code without addressing the root cause may result in the code returning, as the underlying issue would still exist.

10. Is code B2119 a common issue in Buicks?

It’s not a widespread problem, but it can occur in models with power seat features due to wear and tear or electrical issues.

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