C0544 GMC 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 GMC 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.
Code C0544 GMC Description
What are the Possible Causes of the DTC C0544 GMC?
- 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 GMC?
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.
Code Tech Notes
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0544 GMC 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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Information for Specific GMC Models
- C0544 2014 GMC Sierra — Steering Wheel Angle Sensor Signal Not Plausible
- C0544 2015 GMC Sierra — Steering Wheel Angle Sensor Signal Not Plausible
- C0544 2016 GMC Sierra — Steering Wheel Angle Sensor Signal Not Plausible
- C0544 2017 GMC Sierra — Steering Wheel Angle Sensor Signal Not Plausible
- C0544 2018 GMC Sierra — Steering Wheel Angle Sensor Signal Not Plausible
Frequently Asked Questions about C0544 GMC Code
1. What does the OBDII code C0544 mean on a GMC vehicle?
C0544 indicates that the Steering Wheel Angle Sensor (SWAS) is reporting a signal that is not plausible or outside the expected range.
2. What are the common symptoms of code C0544 on a GMC?
Symptoms may include an illuminated ABS or stability control warning light, issues with traction control or stability system operation, and erratic steering behavior.
3. What causes the C0544 code to appear in GMC vehicles?
Common causes include a faulty steering wheel angle sensor, wiring issues such as damaged or corroded connections, or a malfunction in the electronic control module.
4. Can I drive my GMC with code C0544 active?
While the vehicle may still be drivable, stability control and traction control systems may be compromised, increasing the risk of losing control in certain conditions.
5. How is code C0544 diagnosed on a GMC?
A technician will use a diagnostic scanner to read codes, check live data from the steering angle sensor, inspect wiring and connectors, and possibly perform a sensor calibration.
6. How do you fix the C0544 code on a GMC?
Repairs may involve replacing the steering wheel angle sensor, repairing damaged wiring or connectors, or recalibrating the sensor using a scan tool.
7. Does the steering wheel angle sensor need calibration after replacement?
Yes, after replacing the SWAS, calibration is typically required to ensure accurate readings and proper functioning of related systems.
8. Can a weak battery cause the C0544 code in GMC vehicles?
Yes, a weak or failing battery can sometimes cause communication errors or incorrect readings from the steering wheel angle sensor.
9. How much does it cost to fix the C0544 code on a GMC?
Repair costs vary but may range from $150 to $400, depending on whether the sensor needs replacement or just calibration.
10. Can clearing the code fix the issue permanently?
Clearing the code may turn off the warning light temporarily, but the underlying issue must be addressed to prevent the code from returning.
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