Engine-CodesGMC – C0475 2016 GMC Sierra

C0475 2016 GMC Sierra Code - Electric Steering Motor Circuit

Quick Answer

The C0475 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Electric Steering Motor Circuit. Common causes include Faulty electric steering motor: The electric motor itself may be malfunctioning, causing issues with the steering system, Wiring issues: Damaged or corroded wiring in the electric steering motor circuit can disrupt the flow of electricity and lead to this code, Control module failure: A problem with the control module that manages the electric steering system can trigger the C0475 code. 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 2016 GMC Sierra indicates Electric Steering Motor Circuit.
Common causes
Common causes include Faulty electric steering motor: The electric motor itself may be malfunctioning, causing issues with the steering system, Wiring issues: Damaged or corroded wiring in the electric steering motor circuit can disrupt the flow of electricity and lead to this code, Control module failure: A problem with the control module that manages the electric steering system can trigger the C0475 code.
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 14, 2024
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Code C0475 2016 GMC Sierra Description

The C0475 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Electric Steering Motor Circuit. In vehicles equipped with electric power steering (EPS) systems, this code indicates a problem with the electric motor that assists in steering the vehicle. The electric steering motor is responsible for providing the necessary power assistance to make steering easier for the driver, especially at low speeds or when parking. When this circuit malfunctions, it can lead to issues with steering control, making the vehicle more difficult to maneuver.

OBDII Code C0475 2016 GMC Sierra - Electric Steering Motor Circuit
C0475 2016 GMC Sierra Code - Electric Steering Motor Circuit

Common Causes of C0475 2016 GMC Sierra

  1. Faulty electric steering motor: The electric motor itself may be malfunctioning, causing issues with the steering system.
  2. Wiring issues: Damaged or corroded wiring in the electric steering motor circuit can disrupt the flow of electricity and lead to this code.
  3. Control module failure: A problem with the control module that manages the electric steering system can trigger the C0475 code.
  4. Poor electrical connections: Loose or poor electrical connections within the steering system can cause intermittent faults and trigger this code.

Symptoms of C0475 2016 GMC Sierra

  1. Stiff or heavy steering: The steering wheel may become harder to turn, especially at lower speeds.
  2. Steering wheel vibration: The steering wheel may vibrate or shake while driving, indicating a problem with the electric steering motor.
  3. Steering wheel not returning to center: After making a turn, the steering wheel may not return to the center position as it should.
  4. EPS warning light: The vehicle's dashboard may display a warning light indicating a problem with the electric power steering system.

How to Fix C0475 2016 GMC Sierra

  1. Diagnose the issue: Use a diagnostic scanner to retrieve the trouble code and perform a thorough inspection of the electric steering motor circuit.
  2. Check wiring and connections: Inspect the wiring harness and connections for any damage, corrosion, or loose connections. Repair or replace as needed.
  3. Test the electric steering motor: Test the electric steering motor to determine if it is functioning properly. Replace if necessary.
  4. Check the control module: Inspect the control module for any signs of damage or failure. Replace if needed.
  5. Clear the code: After completing the repairs, clear the trouble code from the vehicle's computer system and test drive to ensure the issue has been resolved.

Cost to Fix C0475 2016 GMC Sierra

The cost of repairing the Electric Steering Motor Circuit can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $200 to $600, with labor costs adding an additional $100 to $300. Overall, the total repair cost for addressing the C0475 code in a 2016 GMC Sierra could range from $300 to $900. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, labor rates, and the need for additional parts or services. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on your specific situation.

Tech Notes for C0475 2016 GMC Sierra

C0475:00 Electric Steering Motor Circuit Malfunction

C0475:59 Electric Steering Motor Circuit Slip Detected

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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 C0475 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code C0475 in a 2016 GMC Sierra related to the electric steering motor circuit?

The common symptoms include difficulty steering, stiff or loose steering feel, steering wheel vibration, and warning lights on the dashboard.

2. What are the possible causes of OBDII code C0475 in a 2016 GMC Sierra?

Possible causes include a faulty electric steering motor, damaged wiring or connectors in the steering system, low power supply to the motor, or a malfunctioning steering angle sensor.

3. How can I diagnose the electric steering motor circuit issue causing OBDII code C0475 in my 2016 GMC Sierra?

Diagnosis involves using a diagnostic scanner to retrieve the fault codes, inspecting the wiring and connectors for damage, checking the power supply to the motor, and testing the steering angle sensor for proper functionality.

4. Can I continue driving my 2016 GMC Sierra with OBDII code C0475 related to the electric steering motor circuit?

It is not recommended to continue driving the vehicle with this code present, as it can affect the steering performance and potentially lead to unsafe driving conditions.

5. How can I repair OBDII code C0475 in my 2016 GMC Sierra related to the electric steering motor circuit?

Repair options include replacing the electric steering motor, repairing or replacing damaged wiring and connectors, ensuring proper power supply to the motor, and calibrating the steering angle sensor.

6. Are there any DIY tips for troubleshooting OBDII code C0475 in a 2016 GMC Sierra?

DIY tips include checking for loose or damaged wiring, ensuring proper grounding of the electric steering motor, and performing a visual inspection of the steering components for any obvious issues.

7. Is it necessary to reset the OBDII system after repairing OBDII code C0475 in a 2016 GMC Sierra?

Yes, it is recommended to reset the OBDII system after repairs are completed to clear the fault codes and ensure proper operation of the electric steering motor circuit.

8. What is the typical cost to repair OBDII code C0475 in a 2016 GMC Sierra at a dealership or repair shop?

The cost of repairs can vary depending on the specific issue, but it may range from $200 to $800 at a dealership or repair shop, including parts and labor.

9. Can extreme weather conditions affect the electric steering motor circuit and trigger OBDII code C0475 in a 2016 GMC Sierra?

Yes, extreme weather conditions such as extreme heat or cold can affect the performance of the electric steering motor circuit and potentially trigger the OBDII code C0475.

10. How often should I have the electric steering system inspected in my 2016 GMC Sierra to prevent issues like OBDII code C0475?

It is recommended to have the electric steering system inspected during regular maintenance intervals or if you notice any steering-related symptoms to catch and address potential issues early.

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