AutoCodesChevrolet – C0585 2016 Chevrolet Silverado

C0585 2016 Chevrolet Silverado Code - Left 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 Left Rear Shock Absorber Actuator, Left Rear Shock Absorber Actuator harness is open or shorted, Left 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
C0585 2016 Chevrolet Silverado indicates Left Rear Shock Absorber Actuator Circuit.
Common causes
Common causes include Faulty Left Rear Shock Absorber Actuator, Left Rear Shock Absorber Actuator harness is open or shorted, Left 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 313
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 C0585 2016 Chevrolet Silverado 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 C0585 2016 Chevrolet Silverado - Left Rear Shock Absorber Actuator Circuit - AutoCodes.com
C0585 2016 Chevrolet Silverado Code - Left Rear Shock Absorber Actuator Circuit

What are the Possible Causes of the DTC C0585 2016 Chevrolet Silverado?

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

How to Fix the DTC C0585 2016 Chevrolet Silverado?

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 C0585 2016 Chevrolet Silverado 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 C0585 2016 Chevrolet Silverado 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 C0585 2016 Chevrolet Silverado Code

What does the OBDII code C0585 mean on a 2016 Chevrolet Silverado?

C0585 indicates an issue with the Left Rear Shock Absorber Actuator Circuit, typically related to the vehicle's suspension system.

What are the common symptoms of code C0585 on a 2016 Chevrolet Silverado?

Symptoms may include a rough or uncomfortable ride, warning lights on the dash, or a "Service Suspension System" message.

What causes the C0585 code to appear on a 2016 Chevrolet Silverado?

Common causes include a damaged shock absorber actuator, wiring issues, a faulty suspension control module, or corrosion in the electrical connectors.

Can I drive my 2016 Chevrolet Silverado with the C0585 code?

Yes, but it’s not recommended as it can lead to reduced ride quality and potentially cause damage to other suspension components over time.

How do I diagnose the C0585 code on a 2016 Chevrolet Silverado?

Start by checking the wiring and connectors on the left rear shock absorber actuator for damage or corrosion. A scan tool can also be used to verify the fault.

How do I fix the C0585 code on a 2016 Chevrolet Silverado?

Repairs may involve replacing the left rear shock absorber actuator, repairing damaged wiring, or cleaning corroded connectors.

How much does it cost to repair the C0585 code on a 2016 Chevrolet Silverado?

Costs can vary, but replacing a shock absorber actuator typically ranges from $200 to $500, depending on labor and parts.

Can a faulty suspension control module cause the C0585 code?

Yes, a malfunctioning suspension control module can lead to communication errors and trigger the C0585 code.

Does the C0585 code require reprogramming after repairs?

In most cases, no reprogramming is needed, but clearing the code with a scan tool may be necessary after completing the repairs.

How can I prevent the C0585 code from recurring?

Regularly inspect the suspension components, keep electrical connections clean, and avoid driving in harsh conditions that could damage wiring or actuators.

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