I HAVE EXPERIENCED THE SAME ISSUES AS DESCRIBED IN 'SERVICE BRAKES PROBLEM OF THE 2014 NISSAN SENTRA 49', WHICH WAS REPORTEDLY SIMILAR TO INVESTIGATION "PE14-014". WHILE DRIVING A RENTAL VEHICLE ON A HIGHWAY (LEFT LANE) AT APPROXIMATELY 65 MPH, ALL OF A SUDDEN IT ACCELERATED AND IT WAS AS IF THE VEHICLE TOOK OVER THE STEERING - I COULD NOT KEEP THE STEERING WHEEL STRAIGHT AND THE CAR STARTED MOVING BETWEEN LANES AND EVENTUALLY I HIT THE GUARDING RAIL BY THE RIGHT LANE AND STOPPED. THERE WAS DAMAGE TO THE VEHICLE AND IT WAS VERY SCARY BUT I DID NOT HAVE A SCRATCH. I WAS ABLE TO START THE CAR AGAIN BUT I HAD TO HAVE IT TOWED AS I WAS TOO SCARED TO DRIVE IT AGAIN. I THANK MY LUCKY STARS THAT THERE WERE NO OTHER VEHICLES IN EITHER LANE DURING THE ACCIDENT OR I WOULD NOT BE WRITING THIS REPORT TODAY. I BELIEVE THE CAR ONLY HAD ABOUT 1500 KM. I CAN`T BELIEVE I SURVIVED.