AutoCodes – Generic – P0574

P0574 Code - Cruise Control System Vehicle Speed Too High

Quick Answer

The Engine Control Module (ECM) monitors the Cruise Control System. Common causes include Faulty Cruise Control Function Switch, Cruise Control Function Switch harness is open or shorted, Cruise Control Function Switch circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: P0574 indicates Cruise Control System Vehicle Speed Too High.
Common causes: Common causes include Faulty Cruise Control Function Switch, Cruise Control Function Switch harness is open or shorted, Cruise Control Function Switch circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 9,210

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P0574 Description

The Engine Control Module (ECM) monitors the Cruise Control System. The ECM sets the OBDII code when the Cruise Control System is not to factory specifications.

OBDII Code P0574 - Cruise Control System Vehicle Speed Too High - AutoCodes.com — P0574 Code - Cruise Control System Vehicle Speed Too High

What does this mean?

What are the Possible Causes of the DTC P0574?

Faulty Cruise Control Function Switch
Cruise Control Function Switch harness is open or shorted
Cruise Control Function Switch circuit poor electrical connection

How to Fix the DTC P0574?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0574 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 P0574 code?

Need more information on how to fix the P0574 code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Makes

P0574 Mazda — Cruise Control System Vehicle Speed Too high
P0574 Mercedes-Benz — Cruise Control System Vehicle Speed Too High

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.