A message comes through the dash screen saying Def service 50 miles left vehicle not restart again , I take it to dough smith jeep dealer in Spanish fork for diagnostic they told me to replace a lot of things like def pump, def injector and NoX sensor (bank 1) we do and we didnt solve the problem after spending thousands of dollars and im not able to get my Emissions ready because of that , automatic brake system failure it says to clean the sensor I cleaned really good but keep showing brake failure message