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Code C0585

Symptoms

• Rough or bumpy ride

• Uneven vehicle height

• Warning light on dashboard

Common Causes

• Faulty suspension position sensor

• Damaged wiring or connectors

• Faulty control module

Glossary

Sensor: A device that detects or measures a physical property.

Circuit: A complete and closed path around which a circulating electric current can flow.

Related Codes

• C0586

• C0587

Laymans terms

This code means there's a problem with one of the car's sensors that helps control the suspension, which is like the car's legs that make the ride smooth.

Explanation

C0585 indicates an issue with the suspension position sensor circuit.

Technical description

The C0585 code is triggered when the vehicle's control module detects a malfunction in the suspension position sensor circuit. This sensor provides data about the vehicle's height and position to adjust the suspension system accordingly.

Diagnosis steps

• Check for any related codes and clear them.

• Inspect the suspension position sensor and wiring for damage.

• Test the sensor using a multimeter to ensure it's functioning properly.

Repair procedures

• Replace the faulty suspension position sensor.

• Repair or replace damaged wiring or connectors.

• Reprogram or replace the control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Wrench set

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Tahoe

• GMC Yukon

• Cadillac Escalade

Preventive measures

• Regularly inspect suspension components for wear.

• Keep electrical connectors clean and dry.

• Follow scheduled maintenance for the suspension system.

Error code type

Sensor Issue

User experience recommendations

• Avoid driving on rough terrain until repaired.

• Consult a professional mechanic for accurate diagnosis.

Warranty information

Check with your vehicle manufacturer for specific warranty coverage on suspension components.

Historical data

C0585 is a common code in vehicles with electronic suspension systems, often due to sensor wear or damage.

Urgency level

Moderate – It affects ride quality and vehicle handling, but immediate repair is not critical unless symptoms worsen.

Legal and safety notice

Driving with a faulty suspension system can lead to reduced vehicle control and safety hazards.

Testing conditions

• Vehicle parked on a level surface

• Ignition in the 'on' position

Component location

The suspension position sensor is typically located near the vehicle's wheels or suspension components.

FAQs

Q: What happens if I ignore this code?
A: Ignoring this code can lead to a rough ride and potentially unsafe driving conditions.

Q: Can I fix this myself?
A: If you're comfortable with car repairs and have the necessary tools, you might be able to replace the sensor yourself. Otherwise, it's best to consult a mechanic.

Last updated: May 17, 2026 • Source: internal database
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