Engine-CodesBuick – B1925 Buick

B1925 Buick Code - Driver Seat Cushion Heater Sensor

Quick Answer

The B1925 Buick code refers to an issue with the driver seat cushion heater sensor in a Buick vehicle. Common causes include Faulty driver seat cushion heater sensor, Wiring or electrical issues in the seat heater system, Corrosion or damage to the sensor connections. 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
B1925 Buick indicates Driver Seat Cushion Heater Sensor.
Common causes
Common causes include Faulty driver seat cushion heater sensor, Wiring or electrical issues in the seat heater system, Corrosion or damage to the sensor connections.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code B1925 Buick Description

The B1925 Buick code refers to an issue with the driver seat cushion heater sensor in a Buick vehicle. This sensor is responsible for monitoring the temperature of the seat cushion heater and ensuring it operates within safe parameters. When this code is triggered, it indicates a malfunction or fault in the sensor, which can affect the performance of the seat heater system.

OBDII Code B1925 Buick - Driver Seat Cushion Heater Sensor
B1925 Buick Code - Driver Seat Cushion Heater Sensor

Common Causes of B1925 Buick

  1. Faulty driver seat cushion heater sensor.
  2. Wiring or electrical issues in the seat heater system.
  3. Corrosion or damage to the sensor connections.
  4. Issues with the seat heater control module.
  5. General wear and tear on the sensor due to age or use.

Symptoms of B1925 Buick

  1. Lack of warmth or inconsistent heating from the driver seat cushion heater.
  2. Malfunctioning seat heater controls or inability to adjust temperature settings.
  3. Illumination of the seat heater warning light on the dashboard.
  4. Burning smell or unusual heat coming from the driver seat.

How to Fix B1925 Buick

  1. Begin by diagnosing the specific cause of the issue using a diagnostic scanner to retrieve the B1925 code and pinpoint the faulty sensor.
  2. Disconnect the battery to ensure safety and prevent electrical damage during the repair process.
  3. Remove the driver seat cushion cover to access the sensor and its connections.
  4. Replace the faulty sensor with a new one, ensuring proper installation and secure connections.
  5. Reassemble the seat cushion cover, reconnect the battery, and test the seat heater system to verify that the issue has been resolved.

Cost to Fix B1925 Buick

The cost of repairing the driver seat cushion heater sensor can vary depending on the specific vehicle model, the location of the repair, and the quality of the replacement parts used. On average, the parts for this repair may range from $50 to $200, while the labor costs can be between $100 and $300. Overall, the total repair cost for addressing the B1925 code in a Buick vehicle may fall within the range of $150 to $500. However, it is advisable to consult with a professional mechanic or auto repair shop for a more accurate estimate based on the individual circumstances of the vehicle.

Tech Notes for B1925 Buick

B1925 02: Driver Seat Cushion Heater Sensor Circuit Short to Ground
B1925 05: Driver Seat Cushion Heater Sensor Circuit High 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 B1925 Buick Code

1. What does the OBDII code B1925 mean on a Buick?

The B1925 code indicates an issue with the driver seat cushion heater sensor, which monitors the temperature of the seat heating element.

2. What are common symptoms of code B1925 in a Buick?

Symptoms may include the driver seat heater not working, uneven heating, or the seat heater indicator light malfunctioning.

3. What causes the B1925 code to appear?

Common causes include a faulty seat cushion heater sensor, a damaged seat heating element, wiring issues like frayed or disconnected wires, or a problem with the seat heater control module.

4. Can I still drive my Buick with the B1925 code?

Yes, the B1925 code does not affect drivability, but the driver seat heater function may not work correctly.

5. How is the B1925 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the seat heater wiring and connectors, and test the seat cushion heater sensor for proper resistance or continuity.

6. How can the B1925 code be fixed?

Possible fixes include replacing the driver seat cushion heater sensor, repairing or replacing damaged wiring, or replacing the seat heating element if it's defective.

7. How much does it cost to repair the B1925 code on a Buick?

Repair costs vary but may range from $100 to $300, depending on whether the sensor, wiring, or heating element needs to be replaced.

8. Can I reset the B1925 code without repairs?

You can clear the code with an OBDII scanner, but if the underlying issue is not fixed, the code is likely to return.

9. Does the B1925 code affect other seat functions?

The code typically only impacts the seat heater and not other seat functions like adjustments or lumbar support.

10. Can a blown fuse cause the B1925 code?

Yes, a blown fuse in the seat heater circuit can sometimes trigger the B1925 code. Always check the fuses as part of the diagnosis process.

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