AutoCodesChevrolet – C0574 2018 Chevrolet Silverado

C0574 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 157
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 C0574 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Suspension Control Module Printed Circuit Board Temperature Sensor - AutoCodes.com
C0574 2018 Chevrolet Silverado Code - Suspension Control Module Printed Circuit Board Temperature Sensor

What are the Possible Causes of the DTC C0574 2018 Chevrolet Silverado?

  • 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 2018 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 C0574 2018 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 C0574 2018 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 C0574 2018 Chevrolet Silverado Code

1. What does the OBDII code C0574 mean on a 2018 Chevrolet Silverado?

C0574 indicates an issue with the Suspension Control Module's Printed Circuit Board (PCB) Temperature Sensor, which monitors the module's internal temperature.

2. What are the common symptoms of the C0574 code on a 2018 Chevrolet Silverado?

Common symptoms include a suspension warning light, reduced ride quality, or the suspension system failing to adjust properly.

3. What causes the C0574 code to appear on a Chevrolet Silverado?

This code can be triggered by a faulty temperature sensor, damaged wiring, loose connections, or an internal failure in the Suspension Control Module.

4. Can the C0574 code cause drivability issues?

While it may not directly impact engine performance, it can affect ride comfort and the proper functioning of the suspension system.

5. How do you diagnose the C0574 code on a 2018 Chevrolet Silverado?

Diagnosing this code involves checking the Suspension Control Module's sensor readings, inspecting wiring and connectors for damage, and performing a module functionality test.

6. Is it safe to drive with the C0574 code on a 2018 Silverado?

Driving is generally safe but may result in reduced suspension performance, which can affect comfort and handling in certain conditions.

7. How can I fix the C0574 code on my Chevrolet Silverado?

Repairs may include replacing the faulty temperature sensor, repairing damaged wiring, cleaning or reconnecting loose connectors, or replacing the Suspension Control Module if necessary.

8. Can a software update fix the C0574 code?

In some cases, a software update for the Suspension Control Module might resolve the issue, but this depends on the specific circumstances of the fault.

9. How much does it cost to repair the C0574 code on a 2018 Chevrolet Silverado?

Repair costs can vary, with sensor replacements typically costing $100–$300 and module replacements potentially exceeding $500, depending on labor rates and parts.

10. Can extreme temperatures cause the C0574 code to trigger?

Yes, extreme heat or cold can sometimes affect the PCB temperature sensor, potentially triggering the C0574 code if the module's operating range is exceeded.

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