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Code C0597

Symptoms

• Vehicle rides unevenly or feels bumpy

• Warning light on the dashboard

• Suspension system not adjusting properly

Common Causes

• Faulty rear suspension position sensor

• Damaged wiring or connectors in the sensor circuit

• Failed suspension control module

Glossary

Suspension: A system of springs and shock absorbers that smooths out the ride of a vehicle.

Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.

Related Codes

• C0598

• C0599

Laymans terms

This code means that there's a problem with a part of the car that helps it stay level and smooth when driving over bumps.

Explanation

The code C0597 indicates an issue with the suspension system, specifically the control circuit of the rear suspension position sensor.

Technical description

C0597 is a diagnostic trouble code (DTC) related to the suspension system, particularly indicating a malfunction in the rear suspension position sensor control circuit. This sensor helps the vehicle maintain proper ride height and comfort by adjusting the suspension based on road conditions and vehicle load.

Diagnosis steps

• Inspect the rear suspension position sensor for damage.

• Check wiring and connectors for corrosion or damage.

• Test the suspension control module for proper operation.

Repair procedures

• Replace the faulty rear suspension position sensor.

• Repair or replace damaged wiring or connectors.

• Replace the suspension control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Basic hand tools

Estimated repair cost

$150 - $500

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Tahoe

• GMC Yukon

• Cadillac Escalade

Preventive measures

• Regularly inspect suspension components for wear and tear.

• Keep the vehicle's load within recommended limits.

• Perform routine maintenance checks.

Error code type

Sensor Issue

User experience recommendations

• Have the suspension system checked by a professional.

• Avoid driving over rough terrain until the issue is resolved.

Warranty information

Check with the vehicle manufacturer for coverage on suspension components.

Historical data

This code has been associated with vehicles equipped with advanced suspension systems, particularly in SUVs and luxury models.

Urgency level

Moderate – While the vehicle can still be driven, it may not handle optimally, affecting comfort and safety.

Legal and safety notice

Driving with a faulty suspension system can lead to decreased vehicle stability and increased stopping distances.

Testing conditions

• Vehicle on a level surface

• Suspension system active

Component location

The rear suspension position sensor is typically located near the rear wheels, attached to the suspension components.

FAQs

Q: Can I drive with a C0597 code?
A: While you can drive, it's not recommended as it may affect vehicle handling and comfort.

Q: How do I reset the C0597 code?
A: After repairs, use an OBD-II scanner to clear the code. If the problem persists, the code will return.

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