AutoCodes – Buick – C0544 Buick

C0544 Buick Code - Steering Wheel Angle Sensor Signal Not Plausible

Quick Answer

The Power Steering Control Module continuously monitors the steering wheel angle rationality data received from the Electronic Brake Control Module (EBCM). Common causes include Steering Wheel Angle Sensor Reset (Relearn), Faulty Steering Wheel Angle Sensor, Steering Wheel Angle Sensor harness is open or shorted. 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 Steering Wheel Angle Sensor Reset (Relearn), Faulty Steering Wheel Angle Sensor, Steering Wheel Angle Sensor harness is open or shorted.
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 455

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 14, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code C0544 Buick Description

The Power Steering Control Module continuously monitors the steering wheel angle rationality data received from the Electronic Brake Control Module (EBCM). The Electronic Brake Control Module determines the validity of the steering angle data. The Diagnostic Trouble Code (DTC) will be set when the Power Steering Control Module receives a serial data message that indicates a problem with the Steering Wheel Angle Sensor from the Electronic Brake Control Module.

OBDII Code C0544 Buick - Steering Wheel Angle Sensor Signal Not Plausible - AutoCodes.com — C0544 Buick Code - Steering Wheel Angle Sensor Signal Not Plausible

What does this mean?

What are the Possible Causes of the DTC C0544 Buick?

Steering Wheel Angle Sensor Reset (Relearn)
Faulty Steering Wheel Angle Sensor
Steering Wheel Angle Sensor harness is open or shorted
Steering Wheel Angle Sensor circuit poor electrical connection

How to Fix the DTC C0544 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 C0544 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.

Need more information about the C0544 Buick 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.