Engine-CodesBuick – C0544 Buick

C0544 Buick Code - Steering Wheel Angle Sensor Signal Not Plausible

Quick Answer

The C0544 Buick diagnostic trouble code indicates that the steering wheel angle sensor signal is not plausible. Common causes include Faulty steering wheel angle sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting the sensor's functionality. 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
C0544 Buick indicates Steering Wheel Angle Sensor Signal Not Plausible.
Common causes
Common causes include Faulty steering wheel angle sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or debris affecting the sensor's functionality.
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 12, 2024
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Code C0544 Buick Description

The C0544 Buick diagnostic trouble code indicates that the steering wheel angle sensor signal is not plausible. This sensor is responsible for detecting the position of the steering wheel and transmitting that information to the vehicle's electronic control unit (ECU). The ECU uses this data to assist with various systems such as stability control, traction control, and lane departure warning. When the signal from the steering wheel angle sensor is deemed implausible, it means that the ECU is receiving conflicting or incorrect information, which can lead to potential safety hazards and affect the vehicle's performance.

OBDII Code C0544 Buick - Steering Wheel Angle Sensor Signal Not Plausible
C0544 Buick Code - Steering Wheel Angle Sensor Signal Not Plausible

Common Causes of C0544 Buick

  1. Faulty steering wheel angle sensor.
  2. Damaged wiring or connectors in the sensor circuit.
  3. Corrosion or debris affecting the sensor's functionality.
  4. Malfunctioning electronic control unit (ECU).
  5. Impact or physical damage to the steering system.

Symptoms of C0544 Buick

  1. ABS (Anti-lock Braking System) warning light illuminated on the dashboard.
  2. Traction control system warning light activated.
  3. Steering wheel feels loose or unresponsive.
  4. Vehicle veers to one side unexpectedly.
  5. Inaccurate readings on the vehicle's digital display related to steering angle.

How to Fix C0544 Buick

  1. Begin by conducting a thorough diagnostic scan to retrieve the specific error codes and pinpoint the exact cause of the issue.
  2. Inspect the steering wheel angle sensor, wiring, and connectors for any visible damage or corrosion. Replace any faulty components as needed.
  3. Calibrate the steering wheel angle sensor using a diagnostic tool to ensure accurate readings.
  4. Clear the error codes from the ECU memory and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further troubleshooting may be required, such as checking the ECU for faults or conducting a more in-depth inspection of the steering system components.

Cost to Fix C0544 Buick

The typical repair costs for addressing a C0544 Buick code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of parts for a new steering wheel angle sensor can range from $100 to $300, while labor costs can range from $100 to $200. Overall, the total repair cost for this issue may fall between $200 and $500, including parts and labor. However, it's important to note that these estimates are approximate, and actual costs may vary based on factors such as the vehicle's make and model, the location of the repair shop, and any additional services required. It's recommended to consult with a qualified mechanic or auto repair shop to obtain a more accurate cost estimate based on your specific circumstances.

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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.

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