Ford P0574 OBD-II Trouble Code Definition: P0574 Cruise Control System Vehicle Speed Too high P0574 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0574 Cruise Control System – Vehicle Speed Too High What does the code mean? OBD-ii Code P0574 definition: When the brake pedal is depressed, the stop light switch sends a signal to the ECM. […]