NHTSA Complaint #11234362 — 2018 HYUNDAI SONATA

TL* THE CONTACT OWNS A 2018 HYUNDAI SONATA. WHILE EXITING THE INTERSTATE AT 60 MPH, THE VEHICLE WENT INTO LIMP MODE, JERKED, AND FAILED TO ACCELERATE. IN ADDITION, THE CHECK ENGINE WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS TOWED TO AUFFENBERG HYUNDAI (LOCATED AT 1300 CENTRAL PARK DR, O'FALLON, IL 62269, (618) 622-9001) WHERE IT WAS DIAGNOSED THAT THE NOX SENSOR FAILED AND NEEDED TO BE REPLACED. THE CONTACT STATED THAT THE VEHICLE WAS REPAIRED FOR THE THIRD TIME. THE CONTACT ALSO STATED THAT THE TECHNICIAN RESET THE COMPUTER, THE WIRING HARNESS WAS REPLACED, AND THE NOX SENSOR WAS CLEANED; HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS ALSO TAKEN TO AN UNKNOWN DEALER IN TX, BUT THE FAILURE CODE COULD NOT BE RECREATED. THE DEALER RESET THE COMPUTER AND REPLACED THE NOX SENSOR, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED AND PROVIDED CASE NUMBER: 15894913. THE APPROXIMATE FAILURE MILEAGE WAS 15,000.