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Code C0587

Symptoms

• Vehicle rides unevenly

• Suspension warning light on

• Unusual noises from suspension

Common Causes

• Faulty suspension position sensor

• Damaged wiring or connectors

• Corrosion in the sensor circuit

Glossary

Suspension: A system of springs and shock absorbers that supports the vehicle and provides a smooth ride.

Sensor: A device that detects and responds to a physical condition.

Related Codes

• C0588

• C0589

Laymans terms

This code means there's a problem with a part of the car that helps it stay level and smooth while driving. It's like when a table leg is wobbly and needs fixing.

Explanation

This code indicates an issue with the suspension position sensor circuit.

Technical description

C0587 is a diagnostic trouble code related to the suspension position sensor circuit. It typically means there's an electrical problem, such as a short or open circuit, affecting the sensor that monitors the vehicle's suspension position.

Diagnosis steps

• Inspect the suspension position sensor and wiring for damage.

• Check for corrosion at connectors.

• Test the sensor with a multimeter to ensure proper operation.

Repair procedures

• Replace the faulty suspension position sensor.

• Repair or replace damaged wiring or connectors.

• Clean and secure all electrical connections.

Tools required

• Multimeter

• Socket set

• Wire strippers

Estimated repair cost

$150 - $400

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Tahoe

• GMC Yukon

• Cadillac Escalade

Preventive measures

• Regularly inspect suspension components.

• Keep electrical connections clean and dry.

• Avoid driving through deep water or mud.

Error code type

Sensor Issue

User experience recommendations

• Have the suspension checked regularly.

• Address suspension warning lights promptly.

Warranty information

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

Historical data

This code has been associated with issues in vehicles with advanced suspension systems, particularly in SUVs and trucks.

Urgency level

Moderate – It's important to address this issue to maintain vehicle stability and comfort.

Legal and safety notice

Ignoring suspension issues can lead to unsafe driving conditions and may cause further damage to the vehicle.

Testing conditions

• Vehicle on a level surface

• Suspension system powered on

Component location

The suspension position sensor is typically located near the wheel or attached to the suspension arm.

FAQs

Q: What happens if I ignore this code?
A: Ignoring this code can lead to uneven tire wear and potentially unsafe driving conditions.

Q: Can I drive with this code?
A: It's possible to drive, but it's not recommended as it may affect vehicle handling and comfort.

Last updated: Feb 15, 2026 • Source: internal database
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