C0590 2017 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 2017 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.
Code C0590 2017 GMC Sierra Description
What are the Possible Causes of the DTC C0590 2017 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 2017 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
C0590:02 Right Rear Shock Absorber Actuator Circuit Short to Ground
C0590:04 Right Rear Shock Absorber Actuator Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C0590 2017 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.
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Frequently Asked Questions about C0590 2017 GMC Sierra Code
1. What does the OBDII code C0590 mean on a 2017 GMC Sierra?
C0590 indicates an issue with the Right Rear Shock Absorber Actuator Circuit in the vehicle's suspension system, specifically within the electronic control of the shock absorber.
2. What are the common symptoms of code C0590 in a 2017 GMC Sierra?
Typical symptoms include a bumpy or rough ride, reduced suspension performance, a suspension warning light on the dashboard, and potential instability at high speeds or on uneven terrain.
3. What causes the C0590 code to appear on my GMC Sierra?
The code can be triggered by a faulty shock absorber actuator, damaged wiring or connectors in the circuit, corrosion at electrical connections, or an issue with the suspension control module.
4. Can I drive my 2017 GMC Sierra with a C0590 code?
While the vehicle may still be driveable, the ride quality and stability could be compromised, especially in challenging road conditions. It's recommended to address the issue promptly to maintain safety and performance.
5. How do I diagnose the C0590 code on my GMC Sierra?
Start by inspecting the wiring and connectors for damage or corrosion at the right rear shock absorber. Use a scan tool to monitor the suspension system and test the actuator for proper functionality.
6. What is the right rear shock absorber actuator?
It is a component in the active or adaptive suspension system that electronically adjusts the damping force of the shock absorber to improve ride comfort and handling.
7. How can I fix the C0590 code on a 2017 GMC Sierra?
Repairs may include replacing the right rear shock absorber actuator, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming the suspension control module if needed.
8. How much does it cost to fix the C0590 code on a GMC Sierra?
Repair costs can vary but typically range from $150 to $600, depending on whether the issue involves replacing the actuator, repairing wiring, or addressing control module issues.
9. Can a bad suspension control module cause the C0590 code?
Yes, although less common, a malfunction in the suspension control module can lead to communication or circuit errors, including C0590.
10. Will clearing the C0590 code fix the problem?
Clearing the code may temporarily remove the warning, but if the underlying issue isn’t resolved, the code will reappear. Proper diagnosis and repair are necessary to fix the problem.
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