The contact owns a 2020 Kia Carnival. The contact stated that while driving at an undisclosed speed, the vehicle stalled. The check engine warning light was illuminated. Additionally, the rear driver's side automatic sliding door sensor malfunctioned, causing injury to the contact's daughter's shoulder when it closed while she was exiting the vehicle. No medical attention was received. The vehicle was taken to the dealer where it was diagnosed with an unknown failure. The dealer informed the contact that an unknown part needed to be replaced and deactivated the rear-powered sliding doors. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was opened. The failure mileage was approximately 1,020.