AutoCodes – Generic – C0590:02

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

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

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Code Popularity 276

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 16, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C0590:02 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. The Diagnostic Trouble Code (DTC) will be set when an open or high resistance on the control high or control low circuit is detected.

OBDII Code C0590:02 - Right Rear Shock Absorber Actuator Circuit Short to Ground - AutoCodes.com — C0590:02 Code - Right Rear Shock Absorber Actuator Circuit Short to Ground

What does this mean?

What are the Possible Causes of the DTC C0590:02?

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 C0590:02?

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.

What does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0590:02 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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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 C0590:02 Code

1. What does the OBDII code C0590:02 mean?

C0590:02 indicates a "Right Rear Shock Absorber Actuator Circuit Short to Ground," meaning thereâ€™s an electrical issue in the circuit controlling the right rear shock absorber actuator.

2. What are the common symptoms of code C0590:02?

Symptoms may include a rough or uneven ride, an illuminated Service Suspension warning light, or the vehicle failing to adjust ride height or damping as expected.

3. What causes the C0590:02 code to appear?

The most common causes include damaged wiring, a shorted shock absorber actuator, a corroded connector, or a fault in the suspension control module.

4. Can I drive my car with the C0590:02 code?

While the vehicle may still be drivable, it could compromise ride comfort and handling. Itâ€™s best to address the issue promptly to avoid further damage.

5. How can I diagnose the C0590:02 code?

Start by inspecting the wiring and connectors near the right rear shock absorber for damage or corrosion. Use a multimeter to check for continuity and shorts in the circuit.

6. What tools are needed to fix the C0590:02 code?

Basic tools include a multimeter, a scan tool capable of reading suspension codes, and potentially wiring repair supplies or replacement components.

7. Will replacing the right rear shock absorber fix the C0590:02 code?

It might, but only if the shock absorber actuator itself is faulty. If the issue lies in the wiring or control module, replacing the shock alone wonâ€™t resolve the problem.

8. How much does it cost to repair the C0590:02 code?

Costs vary depending on whether you need to repair wiring, replace the actuator, or address a control module issue. Repairs can range from $100 to $1,000 or more.

9. Can a low battery cause the C0590:02 code?

A low or failing battery can sometimes contribute to electrical issues, but itâ€™s unlikely to be the sole cause of this specific code.

10. How can I prevent the C0590:02 code from returning?

Regularly inspect the suspension system for signs of wear, keep connectors clean and free of corrosion, and address any suspension-related warnings promptly.