AutoCodes – GMC – C0545 2017 GMC Sierra

C0545 2017 GMC Sierra Code - Steering Wheel Torque Sensor Malfunction

Quick Answer

The Power Steering Control Module continuously monitors the Steering Wheel Torque Sensor. Common causes include Faulty Steering Gear, Steering Gear harness is open or shorted, Steering Gear circuit poor electrical connection. 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: C0545 2017 GMC Sierra indicates Steering Wheel Torque Sensor Malfunction.
Common causes: Common causes include Faulty Steering Gear, Steering Gear harness is open or shorted, Steering Gear circuit poor electrical connection.
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 347

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
FAQs
Comments
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Code C0545 2017 GMC Sierra Description

The Power Steering Control Module continuously monitors the Steering Wheel Torque Sensor. As the steering wheel is turned and torsional twist is applied to the steering shaft the signal is processed by the Power Steering Control Module to calculate the steering torque. The Diagnostic Trouble Code (DTC) will be set when the Power Steering Control Module detects a short to ground, short to voltage, or an open/high resistance on any of the torque sensor circuits.

OBDII Code C0545 2017 GMC Sierra - Steering Wheel Torque Sensor Malfunction - AutoCodes.com — C0545 2017 GMC Sierra Code - Steering Wheel Torque Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC C0545 2017 GMC Sierra?

Faulty Steering Gear
Steering Gear harness is open or shorted
Steering Gear circuit poor electrical connection
Faulty Power Steering Control Module

How to Fix the DTC C0545 2017 GMC Sierra?

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 C0545 2017 GMC Sierra 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 C0545 2017 GMC Sierra code?

Need more information on how to fix the C0545 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the 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.

Frequently Asked Questions about C0545 2017 GMC Sierra Code

1. What does OBDII code C0545 mean on a 2017 GMC Sierra?

Code C0545 indicates a Steering Wheel Torque Sensor Malfunction, which affects the vehicle's electronic power steering system.

2. What are the symptoms of code C0545 on a 2017 GMC Sierra?

Common symptoms include stiff or unresponsive steering, reduced power steering assist, and the illumination of the power steering warning light.

3. What causes the C0545 code to appear?

This code is typically triggered by a faulty steering torque sensor, damaged wiring, poor electrical connections, or a malfunctioning electronic power steering control module.

4. Can you drive with a C0545 code on a 2017 GMC Sierra?

While the vehicle may still be drivable, the lack of proper power steering assist can make steering more difficult, especially at low speeds, which could be unsafe.

5. How is the C0545 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the steering torque sensor and its wiring, and test the electronic power steering system for proper operation.

6. How do you fix the C0545 code on a 2017 GMC Sierra?

Repairs may involve replacing the steering torque sensor, repairing or replacing damaged wiring or connectors, or updating/replacing the power steering control module.

7. How much does it cost to repair a C0545 code?

The cost varies, but replacing the steering torque sensor typically ranges from $200 to $600, including parts and labor, depending on your location and shop rates.

8. Can a dead battery cause a C0545 code?

A weak or dead battery can potentially cause communication issues in the power steering system, but itâ€™s less likely to be the primary cause of this specific code.

9. How can I prevent code C0545 from recurring?

Regular maintenance, inspecting the steering system for wear or damage, and addressing electrical issues promptly can help prevent this code from recurring.

10. Does the C0545 code require reprogramming the power steering module?

In some cases, reprogramming or resetting the electronic power steering control module may be necessary after repairs to ensure proper functionality.