Diagnostic trouble code P0574 indicates that there is a malfunction related to the cruise control system. This code can indicate a variety of issues with the cruise control system, including problems with the vehicle speed sensor, throttle actuator, brake pedal position sensor, and other components.
When the ECM detects that there is a malfunction related to the cruise control system, it will set a diagnostic trouble code P0574 and turn on the Check Engine light. This may cause the cruise control system to become inoperative or to function incorrectly.
To diagnose and repair this code, a mechanic will need to perform a thorough inspection of the cruise control system and related components to determine the exact cause of the malfunction. The mechanic may use specialized diagnostic equipment to test the cruise control system and its individual components.
Once the issue is identified and repaired, the mechanic will clear the diagnostic trouble code and reset the Check Engine light. It is important to address this issue promptly as a malfunctioning cruise control system can potentially affect the vehicle's speed and may result in unsafe driving conditions.
