OBD-II Generic Error Code P0574: How to Fix It

Q: What does error code P0574 mean?

P0574 means the cruise control system has detected that the vehicle speed is too high, often causing the system to disengage for safety.

Q: Can I drive with a P0574 code?

Yes, you can drive, but the cruise control may not work. The vehicle should be safe to drive as long as other systems are functioning properly.

Q: How do I clear the P0574 code?

You can clear the code using an OBD2 scanner after fixing the underlying issue. Simply erasing the code without repairs may cause it to return.

Q: Will a bad brake pedal switch cause P0574?

Yes, a faulty brake pedal switch can interfere with cruise control and trigger this code.

Q: Is P0574 a serious problem?

It is a medium severity issue. While it doesn't affect engine performance, the cruise control feature is disabled, which could be inconvenient.

Abstract

Error code P0574 indicates that your vehicle's cruise control system has detected that the vehicle speed is too high, which may cause the system to disengage or not engage. This is often a safety feature to prevent unintended acceleration. The fix typically involves checking the speed sensor, throttle position sensor, and cruise control switch.