AutoCodes – Generic – C0574

C0574 Code - Suspension Control Module Printed Circuit Board Temperature Sensor

Quick Answer

The internal temperature sensor inside the Suspension Control Module determines that the internal ECU temperature has become too high and out of range. Common causes include Faulty Suspension Control Module, Suspension Control Module harness is open or shorted, Suspension Control Module 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: C0574 indicates Suspension Control Module Printed Circuit Board Temperature Sensor.
Common causes: Common causes include Faulty Suspension Control Module, Suspension Control Module harness is open or shorted, Suspension Control Module 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 326

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
Comments
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Code C0574 Description

The internal temperature sensor inside the Suspension Control Module determines that the internal ECU temperature has become too high and out of range. The Diagnostic Trouble Code (DTC) will be set when the Suspension Control Module detects excessive ECU temperature.

OBDII Code C0574 - Suspension Control Module Printed Circuit Board Temperature Sensor - AutoCodes.com — C0574 Code - Suspension Control Module Printed Circuit Board Temperature Sensor

What does this mean?

What are the Possible Causes of the DTC C0574?

Faulty Suspension Control Module
Suspension Control Module harness is open or shorted
Suspension Control Module circuit poor electrical connection

How to Fix the DTC C0574?

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

Depending on the type of driving (rough road surfaces at high speed, etc.) and calibrations used, DTC may set to protect the ECU and not as a result of a failure in the electronics.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0574 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 C0574 code?

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Information for Specific Makes

C0574 Buick — Suspension Control Module Printed Circuit Board Temperature Sensor
C0574 Cadillac — Suspension Control Module Printed Circuit Board Temperature Sensor
C0574 Chevrolet — Suspension Control Module Printed Circuit Board Temperature Sensor
C0574 GMC — Suspension Control Module Printed Circuit Board Temperature Sensor

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.