NHTSA Complaint #11469413 — 2017 HYUNDAI ELANTRA

The contact owns a 2017 Hyundai Elantra. The contact stated while driving 65 MPH, the engine started misfiring. The check engine warning light illuminated. The contact was able to continue driving at a slower speed. The vehicle was taken to an independent mechanic where it was diagnosed that one of the cylinders had misfired and the failure was associated with Technical Service Bulletin Number: 20-FL-001H. The ignition coil and spark plugs were replaced; however, the independent mechanic did not have the ECM software update that completed the repair per the Technical Service Bulletin Number: 20-FL-001H. The local dealer and manufacturer were contacted for assistance but informed the contact that they could not assist as the VIN was not included in a recall or in Technical Service Bulletin Number: 20-FL-001H. The vehicle was not repaired. The failure mileage was approximately 45,000.