AutoCodes – GMC – C0590 2015 GMC Sierra

C0590 2015 GMC Sierra Code - Right Rear Shock Absorber Actuator Circuit

Quick Answer

The Suspension Control Module commands variable levels of current to each shock absorber actuator in response to rough road, braking, or abrupt steering maneuver driving conditions. Common causes include Faulty Right Rear Shock Absorber Actuator, Right Rear Shock Absorber Actuator harness is open or shorted, Right Rear Shock Absorber Actuator 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
C0590 2015 GMC Sierra indicates Right Rear Shock Absorber Actuator Circuit.
Common causes
Common causes include Faulty Right Rear Shock Absorber Actuator, Right Rear Shock Absorber Actuator harness is open or shorted, Right Rear Shock Absorber Actuator 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 231
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 16, 2023
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Code C0590 2015 GMC Sierra Description

The Suspension Control Module commands variable levels of current to each shock absorber actuator in response to rough road, braking, or abrupt steering maneuver driving conditions. The current variation is performed by pulse width modulation (PWM) of the system voltage. The Suspension Control Module continuously measures the actual current of each actuator. When a deviation between commanded and actual current is detected, a Diagnostic Trouble Code (DTC) is set.
OBDII Code C0590 2015 GMC Sierra - Right Rear Shock Absorber Actuator Circuit - AutoCodes.com
C0590 2015 GMC Sierra Code - Right Rear Shock Absorber Actuator Circuit

What are the Possible Causes of the DTC C0590 2015 GMC Sierra?

  • Faulty Right Rear Shock Absorber Actuator
  • Right Rear Shock Absorber Actuator harness is open or shorted
  • Right Rear Shock Absorber Actuator circuit poor electrical connection
  • Faulty Suspension Control Module

How to Fix the DTC C0590 2015 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 C0590 2015 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 C0590 2015 GMC Sierra code?

Need more information on how to fix the C0590 2015 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 C0590 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code C0590 in a 2015 GMC Sierra?

The common symptoms of OBDII code C0590 in a 2015 GMC Sierra include issues with the right rear shock absorber, such as abnormal handling, uneven ride quality, or suspension-related warnings on the dashboard.

2. What does the OBDII code C0590 for the Right Rear Shock Absorber Actuator Circuit indicate in a 2015 GMC Sierra?

OBDII code C0590 indicates a malfunction in the right rear shock absorber actuator circuit of a 2015 GMC Sierra, potentially affecting the vehicle's suspension system.

3. What are the possible causes of OBDII code C0590 in a 2015 GMC Sierra?

Possible causes of OBDII code C0590 in a 2015 GMC Sierra include a faulty shock absorber actuator, damaged wiring or connectors in the circuit, or issues with the shock absorber itself.

4. How can I diagnose the OBDII code C0590 on my 2015 GMC Sierra?

Diagnosing OBDII code C0590 on a 2015 GMC Sierra typically involves using an OBDII scanner to retrieve the code, inspecting the right rear shock absorber actuator circuit for any visible damage, and testing the components for proper functionality.

5. Can I continue driving my 2015 GMC Sierra with OBDII code C0590 present?

It is not recommended to continue driving your 2015 GMC Sierra with OBDII code C0590 present, as it can lead to further damage to the suspension system and potentially compromise the vehicle's safety and handling.

6. How can I repair OBDII code C0590 on my 2015 GMC Sierra?

Repairing OBDII code C0590 on a 2015 GMC Sierra may involve replacing the right rear shock absorber actuator, repairing any damaged wiring or connectors in the circuit, and clearing the error code with an OBDII scanner.

7. Is it possible to reset OBDII code C0590 on a 2015 GMC Sierra without fixing the issue?

While you can clear the OBDII code C0590 on a 2015 GMC Sierra with an OBDII scanner, it is important to address the underlying issue causing the code to prevent further problems with the vehicle's suspension system.

8. Are there any DIY tips for troubleshooting OBDII code C0590 on a 2015 GMC Sierra?

DIY tips for troubleshooting OBDII code C0590 on a 2015 GMC Sierra include visually inspecting the shock absorber actuator circuit for damage, checking the connectors for corrosion, and ensuring proper connections before seeking professional help if needed.

9. How much does it typically cost to repair OBDII code C0590 on a 2015 GMC Sierra?

The cost to repair OBDII code C0590 on a 2015 GMC Sierra can vary depending on the extent of the damage and the specific components that need replacement. It is recommended to consult a professional mechanic for an accurate estimate.

10. Can OBDII code C0590 on a 2015 GMC Sierra be a recurring issue even after repair?

If the underlying cause of OBDII code C0590 in a 2015 GMC Sierra is not properly addressed during repair, it can potentially reoccur. It is essential to diagnose and fix the root cause to prevent the issue from happening again.

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