TL* THE CONTACT OWNS A 2017 GMC YUKON. WHILE DRIVING 14 MPH, THE BRAKE PEDAL WAS DEPRESSED, BUT THE VEHICLE FAILED TO STOP AND THE BRAKE ASSIST AND CHECK ENGINE WARNING INDICATORS ILLUMINATED. AS A RESULT, THE CONTACT CRASHED INTO ANOTHER VEHICLE. THE AIR BAGS DID NOT DEPLOY. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THAT A MODE FOR THE BRAKES WAS SWITCHED. THE VEHICLE WAS REPAIRED. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 27,698.