NHTSA Complaint #11589061 — 2020 HYUNDAI TUCSON

The contact owns a 2020 Hyundai Tucson. The contact stated that while driving at an undisclosed speed, the vehicle independently decelerated. In addition, the check engine warning light was illuminated. The vehicle was towed to the dealer where it was diagnosed with a knock sensor failure. The contact was informed that the knock sensor needed to be replaced. The vehicle was repaired. The failure reoccurred. The vehicle was towed to the dealer where it was diagnosed with a failed engine and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 101,196.