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Engine-Codes – GMC – C0585 2017 GMC Sierra

C0585 2017 GMC Sierra Code - Left Rear Shock Absorber Actuator Circuit

Quick Answer

The C0585 diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Left Rear Shock Absorber Actuator Circuit. Common causes include Faulty shock absorber actuator, Damaged wiring or connectors in the actuator circuit, Corrosion or poor electrical connections. 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 2017 GMC Sierra indicates Left Rear Shock Absorber Actuator Circuit.
Common causes
Common causes include Faulty shock absorber actuator, Damaged wiring or connectors in the actuator circuit, Corrosion or poor electrical connections.
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 13, 2024
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Code C0585 2017 GMC Sierra Description

The C0585 diagnostic trouble code (DTC) for a 2017 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 provide a smooth and controlled ride quality. When this circuit malfunctions, it can lead to issues with the vehicle's handling, stability, and overall ride comfort.

OBDII Code C0585 2017 GMC Sierra - Left Rear Shock Absorber Actuator Circuit
C0585 2017 GMC Sierra Code - Left Rear Shock Absorber Actuator Circuit

Common Causes of C0585 2017 GMC Sierra

  1. Faulty shock absorber actuator
  2. Damaged wiring or connectors in the actuator circuit
  3. Corrosion or poor electrical connections
  4. Issues with the suspension control module
  5. Water or debris intrusion into the actuator circuit

Symptoms of C0585 2017 GMC Sierra

  1. Harsh 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 2017 GMC Sierra

  1. Diagnose the specific cause of the C0585 DTC using a scan tool to pinpoint the issue.
  2. Inspect the shock absorber actuator, wiring, and connectors for any visible damage or corrosion.
  3. Test the actuator circuit for continuity and proper voltage using a multimeter.
  4. Replace the faulty shock absorber actuator or repair any damaged wiring or connectors.
  5. Clear the DTC from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C0585 2017 GMC Sierra

The typical repair costs for addressing the Left Rear Shock Absorber Actuator Circuit issue can vary depending on the specific cause of the problem and the cost of parts and labor. In general, replacing a faulty shock absorber actuator can range from $200 to $500, including parts and labor. However, additional costs may apply if there are other underlying issues with the suspension system that need to be addressed. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

What does this mean?

Tech Notes for C0585 2017 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

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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 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code C0585 in a 2017 GMC Sierra?

The common symptoms of OBDII code C0585 in a 2017 GMC Sierra include issues with the left rear shock absorber, such as abnormal suspension behavior, rough ride quality, or uneven vehicle height.

2. What does the OBDII code C0585 indicate on a 2017 GMC Sierra?

OBDII code C0585 on a 2017 GMC Sierra points to a problem with the left rear shock absorber actuator circuit.

3. What are the possible causes of OBDII code C0585 in a 2017 GMC Sierra?

Possible causes of OBDII code C0585 in a 2017 GMC Sierra can include a faulty shock absorber actuator, damaged wiring or connectors in the circuit, or a malfunctioning control module.

4. How can I diagnose the OBDII code C0585 in my 2017 GMC Sierra?

Diagnosing OBDII code C0585 in a 2017 GMC Sierra involves using a diagnostic scanner to retrieve the specific fault code, inspecting the shock absorber actuator and its wiring for any visible damage, and testing the circuit for continuity and proper voltage.

5. Can I still drive my 2017 GMC Sierra with OBDII code C0585?

It is not recommended to drive your 2017 GMC Sierra with OBDII code C0585, as it can affect the vehicle's suspension system and potentially compromise driving safety. It is advisable to address the issue promptly.

6. How can I repair OBDII code C0585 on my 2017 GMC Sierra?

Repairing OBDII code C0585 on a 2017 GMC Sierra may involve replacing the left rear shock absorber actuator, repairing damaged wiring or connectors, or reprogramming the control module. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

7. Will resetting the OBDII code C0585 on my 2017 GMC Sierra fix the issue?

Simply resetting the OBDII code C0585 on a 2017 GMC Sierra may temporarily clear the error code, but it will not address the underlying problem with the left rear shock absorber actuator circuit. Proper diagnosis and repair are necessary to resolve the issue.

8. How much does it cost to fix OBDII code C0585 on a 2017 GMC Sierra?

The cost of fixing OBDII code C0585 on a 2017 GMC Sierra can vary depending on the exact cause of the issue, the needed parts, and labor costs. It is advisable to obtain quotes from reputable repair shops for an accurate estimate.

9. Can a DIY enthusiast tackle the repair for OBDII code C0585 on a 2017 GMC Sierra?

While some DIY enthusiasts may have the skills to diagnose and repair OBDII code C0585 on a 2017 GMC Sierra, it is a complex task that may require specialized tools and expertise. It is recommended to seek assistance from a professional mechanic for proper repair.

10. How often does OBDII code C0585 occur in a 2017 GMC Sierra?

OBDII code C0585 in a 2017 GMC Sierra is relatively uncommon compared to other diagnostic trouble codes. However, if the code does appear, it should be addressed promptly to prevent further issues with the vehicle's suspension system.

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