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Engine-Codes – GMC – C0585 2016 GMC Sierra

C0585 2016 GMC Sierra Code - Left Rear Shock Absorber Actuator Circuit

Quick Answer

The C0585 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Left Rear Shock Absorber Actuator Circuit. Common causes include Faulty actuator motor, Wiring issues or electrical faults in the actuator circuit, Defective shock absorber. 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
C0585 2016 GMC Sierra indicates Left Rear Shock Absorber Actuator Circuit.
Common causes
Common causes include Faulty actuator motor, Wiring issues or electrical faults in the actuator circuit, Defective shock absorber.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code C0585 2016 GMC Sierra Description

The C0585 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the Left Rear Shock Absorber Actuator Circuit. This code indicates a problem with the actuator circuit that controls the left rear shock absorber in the vehicle's suspension system. The shock absorber actuator is responsible for adjusting the damping characteristics of the shock absorber, which helps to maintain stability and control of the vehicle, especially when driving over uneven surfaces or during cornering.

OBDII Code C0585 2016 GMC Sierra - Left Rear Shock Absorber Actuator Circuit
C0585 2016 GMC Sierra Code - Left Rear Shock Absorber Actuator Circuit

Common Causes of C0585 2016 GMC Sierra

  1. Faulty actuator motor
  2. Wiring issues or electrical faults in the actuator circuit
  3. Defective shock absorber
  4. Malfunctioning control module
  5. Corrosion or damage to the connectors or terminals

Symptoms of C0585 2016 GMC Sierra

  1. Rough or bumpy ride quality
  2. Uneven tire wear
  3. Vehicle leaning to one side
  4. Reduced stability and control while driving
  5. Illumination of the "Service Suspension System" warning light on the dashboard

How to Fix C0585 2016 GMC Sierra

  1. Begin by conducting a thorough inspection of the left rear shock absorber actuator circuit to identify the root cause of the issue.
  2. Test the actuator motor and control module for proper functionality using a diagnostic scan tool.
  3. Check the wiring harness for any signs of damage, corrosion, or loose connections, and repair or replace as needed.
  4. If the shock absorber itself is found to be faulty, it may need to be replaced with a new unit.
  5. Clear the DTC from the vehicle's computer system and perform a test drive to ensure that the issue has been resolved.

Cost to Fix C0585 2016 GMC Sierra

The cost of repairing a Left Rear Shock Absorber Actuator Circuit issue can vary depending on the specific cause of the problem and the extent of the repairs needed. In general, the cost of parts for this repair can range from $200 to $500, while labor costs typically range from $150 to $300. Overall, the total repair cost for this issue may fall between $350 and $800. However, it's important to note that these estimates are approximate, and actual costs may vary based on factors such as location, labor rates, and the availability of parts. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate based on the specific circumstances of your vehicle.

What does this mean?

Tech Notes for C0585 2016 GMC Sierra

C0585:01 Left Rear Shock Absorber Actuator Circuit Short to Battery

C0585:02 Left Rear Shock Absorber Actuator Circuit Short to Ground

C0585:04 Left Rear Shock Absorber Actuator Circuit Open

Need more information about the C0585 2016 GMC Sierra 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 C0585 2016 GMC Sierra Code

1. What are the common symptoms of OBDII code C0585 in a 2016 GMC Sierra?

The common symptoms include a warning light on the dashboard, potential issues with the rear shock absorber, and possible problems with the vehicle's suspension system.

2. What does the OBDII code C0585 indicate in a 2016 GMC Sierra?

OBDII code C0585 points to a fault in the left rear shock absorber actuator circuit of the vehicle.

3. What are the possible causes of OBDII code C0585 in a 2016 GMC Sierra?

Possible causes include faulty wiring or connectors in the left rear shock absorber actuator circuit, a malfunctioning shock absorber actuator, or issues with the vehicle's control module.

4. How can I diagnose the OBDII code C0585 in my 2016 GMC Sierra?

Diagnosing this code typically involves inspecting the wiring and connectors in the left rear shock absorber circuit, testing the shock absorber actuator for proper functionality, and checking the control module for any faults.

5. Can I still drive my 2016 GMC Sierra with OBDII code C0585?

It is not recommended to drive the vehicle with this code present, as it may affect the performance and safety of the vehicle's suspension system.

6. Is it possible to reset the OBDII code C0585 in a 2016 GMC Sierra?

While you can attempt to clear the code with an OBDII scanner, it is crucial to address the underlying issue causing the fault code to prevent it from reoccurring.

7. How do I repair OBDII code C0585 in my 2016 GMC Sierra?

Repairing this code may involve repairing or replacing damaged wiring or connectors, replacing the left rear shock absorber actuator if faulty, or addressing any issues with the control module.

8. Can a DIY enthusiast fix OBDII code C0585 in a 2016 GMC Sierra?

While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing the specific components related to this fault code may require professional expertise and specialized tools.

9. Are there any safety precautions to consider when dealing with OBDII code C0585 in a 2016 GMC Sierra?

Ensure the vehicle is securely parked on a level surface, use proper safety gear when inspecting under the vehicle, and disconnect the battery before working on any electrical components to avoid accidents.

10. How can regular maintenance help prevent OBDII code C0585 in a 2016 GMC Sierra?

Regularly inspecting and maintaining the vehicle's suspension system, checking for any signs of wear or damage, and addressing issues promptly can help prevent faults like OBDII code C0585 from occurring.

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