AutoCodes – GMC – C0475 2018 GMC Sierra

C0475 2018 GMC Sierra Code - Electric Steering Motor Circuit

Quick Answer

The Power Steering Control Module continuously monitors the voltage and current levels being commanded to the 3-phase Electric Power Steering Motor. Common causes include Faulty Electric Power Steering Motor, Electric Power Steering Motor harness is open or shorted, Electric Power Steering Motor 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
C0475 2018 GMC Sierra indicates Electric Steering Motor Circuit.
Common causes
Common causes include Faulty Electric Power Steering Motor, Electric Power Steering Motor harness is open or shorted, Electric Power Steering Motor 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 220
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 13, 2023
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Code C0475 2018 GMC Sierra Description

The Power Steering Control Module continuously monitors the voltage and current levels being commanded to the 3-phase Electric Power Steering Motor. The Power Steering Control Module compares the desired and actual current levels to detect malfunctions in the Electric Power Steering Motor or the circuits to the motor. The Diagnostic Trouble Code (DTC) will be set when the Power Steering Control Module has determined that the motor position is outside of an allowed tolerance, the motor sensor trim has not been configured by the manufacturer, or the Power Steering Control Module has determined that there is excessive rack travel.
OBDII Code C0475 2018 GMC Sierra - Electric Steering Motor Circuit - AutoCodes.com
C0475 2018 GMC Sierra Code - Electric Steering Motor Circuit

What are the Possible Causes of the DTC C0475 2018 GMC Sierra?

  • Faulty Electric Power Steering Motor
  • Electric Power Steering Motor harness is open or shorted
  • Electric Power Steering Motor circuit poor electrical connection
  • Faulty Power Steering Control Module

How to Fix the DTC C0475 2018 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0475 2018 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 C0475 2018 GMC Sierra code?

Need more information on how to fix the C0475 2018 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0475 2018 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 C0475 2018 GMC Sierra Code

1. What are the common symptoms of OBDII code C0475 in a 2018 GMC Sierra related to the Electric Steering Motor Circuit?

- Common symptoms include difficulty steering, stiff steering, steering wheel vibration, and the "Service Electric Steering" warning light on the dashboard.

2. What are the possible causes of OBDII code C0475 in a 2018 GMC Sierra?

- The code C0475 in a 2018 GMC Sierra is typically triggered by issues with the electric steering motor circuit, such as a faulty electric steering motor, damaged wiring, or a malfunctioning electronic control module.

3. How can I diagnose OBDII code C0475 in a 2018 GMC Sierra related to the Electric Steering Motor Circuit?

- Diagnosis involves using a diagnostic scanner to retrieve the trouble codes, inspecting the electric steering system components for damage, testing the electric steering motor, and checking the wiring harness for continuity.

4. Can I continue driving my 2018 GMC Sierra with OBDII code C0475 related to the Electric Steering Motor Circuit?

- It is not recommended to continue driving the vehicle with code C0475 present, as it can affect the steering performance and compromise safety. It is advised to address the issue promptly.

5. How can I repair OBDII code C0475 in a 2018 GMC Sierra Electric Steering Motor Circuit?

- Repair options include replacing the electric steering motor, repairing or replacing damaged wiring, and resetting the electronic control module. It is recommended to consult a professional mechanic for proper diagnosis and repair.

6. Are there any DIY tips for troubleshooting OBDII code C0475 in a 2018 GMC Sierra?

- DIY tips include checking the electric steering motor connections for loose or damaged wires, inspecting the fuse related to the electric steering system, and ensuring proper battery voltage.

7. Is it common for the Electric Steering Motor Circuit to fail in a 2018 GMC Sierra?

- While electric steering motor circuit failures are not extremely common in the 2018 GMC Sierra, they can occur due to factors such as wear and tear, electrical issues, or component malfunctions.

8. How much does it typically cost to repair OBDII code C0475 in a 2018 GMC Sierra Electric Steering Motor Circuit?

- The cost of repairing OBDII code C0475 in a 2018 GMC Sierra can vary depending on the extent of the issue, the parts needed, and labor costs. It is advisable to obtain quotes from reputable repair shops.

9. Can weather conditions impact the occurrence of OBDII code C0475 in a 2018 GMC Sierra related to the Electric Steering Motor Circuit?

- Extreme weather conditions, such as extreme cold or heat, can potentially affect the electronic components of the electric steering system and contribute to issues triggering code C0475.

10. How long does it typically take to repair OBDII code C0475 in a 2018 GMC Sierra Electric Steering Motor Circuit?

- The repair time for OBDII code C0475 in a 2018 GMC Sierra can vary depending on the complexity of the issue, availability of parts, and the expertise of the mechanic. In general, it may take a few hours to a day to complete the repair.

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