July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Code P063, Vehicle Speed & Set Speed Difference: Notes

Code P063 will set and disengage cruise control if vehicle speed is 20 MPH greater than cruise set speed. Code P063 is designed as a type of safety valve to cruise control system and can be set under normal conditions if driver accelerates to 20 MPH higher than cruise set speed.