What is P0574 fault code? What is Cruise Control System – Vehicle Speed Too High? How can I fix P0574 fault? What are the causes of P0574 fault code symptoms?

What is the P0574 Fault code? What does it all mean?

The cruise control system activates the powertrain controller module (PCM). This module works with the cruise command module to maintain vehicle speed. The PCM checks the cruise control system in order to identify the problem. If the PCM detects the cruise control system exceeding the maximum speed set, code P0574 is triggered. Other pertinent cruise control fault codes are P0576 and P0577.

The P0574 fault code can affect vehicles of all makes and models, including but not limited to: Mitsubishi, Kia. Chevrolet, Mercedes-Benz. BMW. Cadillac. Ford. Nissan. Toyota. Subaru. Jeep. Dodge.

 

What is the P0574 Fault Code?

Fault code P0574 can be triggered by the following common causes:

  • – A defective cruise control switch
  • – Defective cruise control button on/off
  • – Damage to the control knobs of cruise control.
  • – Electrical problems such as corroded connectors or broken wires.
  • Broken tabs, worn pins or a swollen connector body
  • Dirty and grime that blocks the adjustment buttons’ functionality
  • – Components that have been overheated can cause malfunction
  • – Defective cruise control module
  • – Problems with the body control module or PCM (water ingress, overheating etc.)

 

What are the Symptoms of the P0574 Trouble Code

These symptoms may be present in vehicles with code P0574.

  • – Illumination for the check engine light
  • – Intermittent or irregular operation of the cruise control buttons
  • – The cruise control light on the instrument cluster does not turn on or off.
  • – Cruise control not set at the desired speed
  • – The system’s speed can change even if it is running.
  • Blowing fuse

 

How to Fix the P0574 Fault Code

Here are some of the possible repairs that could resolve the P0574 fault code:

  • – Repair and replacement of electrical connectors damaged to the cruise control buttons
  • Repair of damaged or broken cables that cause short or open circuits
  • – Replacing a defective cruise control switch
  • – Removing the damaged cruise control button
  • – Clean the buttons and control buttons of liquid or dirt.
  • – Replacing blownfuses

 

How serious is the P0574 Fault code?

P0574 fault code will cause the most serious problem. The system won’t work at the speed that you have set. You should immediately address the issue if you are concerned about your cruise control system.