The contact owns a 2019 Hyundai Tucson. The contact stated while driving the vehicle failed to exceed 25 MPH and stalled several times. The contact was able to pull over to the side of the road. The contact turned off and restarted the vehicle several times; however, the failure persisted. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with exhaust system failure. The vehicle was then taken to the dealer, where it was diagnosed and a DTC for engine failure was retrieved due to the exhaust system failure. The dealer forwarded diagnostic test report to the manufacturer; however, the manufacturer declined to cover the repair under an unknown Customer Satisfaction Program because the oil change records were not available. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 69,000.