TL* THE CONTACT OWNS A 2016 GMC YUKON XL. WHILE DRIVING APPROXIMATELY 30 MPH, THE BRAKES MALFUNCTIONED AND CAUSED THE VEHICLE TO CRASH INTO THE REAR OF ANOTHER VEHICLE. THERE WERE NO INJURIES. A POLICE REPORT WAS FILED. PRIOR TO THE CRASH, THE BRAKE VACUUM PUMP WAS REPLACED, BUT THE BRAKES DID NOT FUNCTION PROPERLY. THE VEHICLE WAS LATER SERVICED AT MICK DONALD'S GMC(5155 STATE ST, SAGINAW, MI) PER NHTSA CAMPAIGN NUMBER: 19V645000(SERVICE BRAKES) IN WHICH THE ELECTRONIC BRAKE CONTROL MODULE WAS REPROGRAMMED. AFTERWARDS, THE BRAKES OPERATED NORMALLY. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 35,000.