Engine-CodesGMC – C0590 2016 GMC Sierra

C0590 2016 GMC Sierra Code - Right Rear Shock Absorber Actuator Circuit

Quick Answer

The C0590 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to an issue with the Right Rear Shock Absorber Actuator Circuit. Common causes include Wiring harness damage or corrosion, Faulty shock absorber actuator, Malfunctioning electronic control module (ECM). 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 2016 GMC Sierra indicates Right Rear Shock Absorber Actuator Circuit.
Common causes
Common causes include Wiring harness damage or corrosion, Faulty shock absorber actuator, Malfunctioning electronic control module (ECM).
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 18, 2024
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Code C0590 2016 GMC Sierra Description

The C0590 diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to an issue with the Right Rear Shock Absorber Actuator Circuit. This code indicates a problem with the electronic control system that regulates the shock absorber on the right rear wheel of the vehicle. The shock absorber actuator is responsible for adjusting the damping characteristics of the shock absorber, providing a smoother ride and better handling.

OBDII Code C0590 2016 GMC Sierra - Right Rear Shock Absorber Actuator Circuit
C0590 2016 GMC Sierra Code - Right Rear Shock Absorber Actuator Circuit

Common Causes of C0590 2016 GMC Sierra

  1. Wiring harness damage or corrosion
  2. Faulty shock absorber actuator
  3. Malfunctioning electronic control module (ECM)
  4. Poor electrical connection
  5. Water or debris intrusion into the actuator circuit

Symptoms of C0590 2016 GMC Sierra

  1. Rough or bouncy ride
  2. Reduced handling and stability
  3. Unusual noises coming from the suspension
  4. Warning light on the dashboard indicating an issue with the suspension system

How to Fix C0590 2016 GMC Sierra

  1. Begin by inspecting the wiring harness for any damage, corrosion, or loose connections. Repair or replace any damaged wires.
  2. Test the shock absorber actuator for proper functionality. Replace the actuator if it is faulty.
  3. Check the electronic control module (ECM) for any signs of malfunction. If necessary, reprogram or replace the ECM.
  4. Clear the DTC from the vehicle's memory using a diagnostic scan tool.
  5. Test drive the vehicle to ensure that the issue has been resolved and that the suspension system is functioning properly.

Cost to Fix C0590 2016 GMC Sierra

The typical repair costs for addressing a C0590 DTC on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, replacing a shock absorber actuator can cost between $200 and $500, including parts and labor. However, if the issue is related to wiring or the ECM, the costs may be higher. It's important to consider the diagnosis time and labor rates at auto repair shops, which can range from $80 to $150 per hour. Rates may vary based on location, vehicle make and model, and the complexity of the repair. It's recommended to obtain a detailed estimate from a qualified mechanic before proceeding with the repair.

Tech Notes for C0590 2016 GMC Sierra

C0590:01 Right Rear Shock Absorber Actuator Circuit Short to Battery

C0590:02 Right Rear Shock Absorber Actuator Circuit Short to Ground

C0590:04 Right 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 C0590 2016 GMC Sierra Code

1. What are common symptoms of OBDII code C0590 in a 2016 GMC Sierra related to the Right Rear Shock Absorber Actuator Circuit?

The common symptoms include a malfunctioning electronic suspension system, noticeable imbalance in the vehicle's ride quality, and a warning light on the dashboard indicating a problem with the shock absorber actuator.

2. What are possible causes of OBDII code C0590 in a 2016 GMC Sierra?

Possible causes of this code include a faulty right rear shock absorber actuator, damaged wiring or connectors in the circuit, or issues with the electronic control module responsible for controlling the shock absorber system.

3. How can I diagnose the Right Rear Shock Absorber Actuator Circuit issue in my 2016 GMC Sierra?

Diagnosing the issue involves conducting a thorough inspection of the shock absorber actuator, checking the wiring and connectors for any damage or corrosion, and using a diagnostic scanner to retrieve the specific fault codes related to the right rear shock absorber circuit.

4. Is it safe to continue driving my 2016 GMC Sierra with OBDII code C0590 indicating an issue with the Right Rear Shock Absorber Actuator Circuit?

It is not recommended to continue driving the vehicle with this code present, as it can affect the stability and handling of the vehicle. It is advisable to have the issue diagnosed and repaired promptly to ensure safe driving conditions.

5. Can I repair OBDII code C0590 in my 2016 GMC Sierra myself?

While some DIY enthusiasts may attempt to address this issue, it is recommended to have a qualified mechanic or technician diagnose and repair the problem, especially when it involves electronic components and wiring in the vehicle's suspension system.

6. Will resetting the OBDII code C0590 in my 2016 GMC Sierra make the issue go away?

Simply resetting the code will not resolve the underlying problem causing the fault code to appear. It is crucial to diagnose the root cause of the issue and perform the necessary repairs to fix the Right Rear Shock Absorber Actuator Circuit problem.

7. How much does it typically cost to repair OBDII code C0590 in a 2016 GMC Sierra?

The cost of repairing this code can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs. It is advisable to obtain a few quotes from reputable repair shops to get an accurate estimate.

8. Can extreme weather conditions affect the Right Rear Shock Absorber Actuator Circuit in my 2016 GMC Sierra?

Extreme weather conditions such as excessive heat or cold can potentially impact the functioning of electronic components in the shock absorber actuator circuit. Ensuring proper maintenance and protection of the vehicle from harsh weather can help prevent related issues.

9. Are there any preventive measures I can take to avoid OBDII code C0590 in my 2016 GMC Sierra?

Regular maintenance of the vehicle's suspension system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent the occurrence of OBDII code C0590 related to the Right Rear Shock Absorber Actuator Circuit.

10. How long does it typically take to repair the Right Rear Shock Absorber Actuator Circuit issue in a 2016 GMC Sierra?

The repair time can vary depending on the extent of the problem, availability of parts, and the workload of the repair shop. In general, it may take a few hours to a day to diagnose and repair the issue with the Right Rear Shock Absorber Actuator Circuit.

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