NHTSA complaint #11734899

Owner complaint summary

Vehicle Information: 2019 Hyundai Santa Fe Mileage at failure: approximately 109,000 miles Manufacturer: Hyundai Motor Company The vehicle experienced a complete failure of the automatic transmission system. The failed component is available for inspection upon request. At approximately 98,000 miles, the vehicle’s check engine light illuminated. I brought the vehicle to an authorized Hyundai dealership for diagnosis while it was still within the 100,000-mile powertrain warranty period. The dealership inspected the vehicle and advised that no issue was found, and no repairs were performed at that time. Approximately 11,000 miles later, the vehicle experienced severe transmission problems, which progressed to complete transmission failure at approximately 109,000 miles. Safety Risk: The transmission failure resulted in a sudden loss of power and reduced vehicle operability while driving. This condition presents a potential safety risk to the driver and surrounding traffic, particularly during normal roadway and highway use. Prior Inspection / Diagnosis: The issue was not identified or reproduced during the dealership inspection at approximately 98,000 miles when the check engine light was present. Other Inspections: The vehicle was inspected by a Hyundai dealership at approximately 98,000 miles. No inspection by police, insurance representatives, or manufacturer engineering personnel has occurred since the transmission failure. Warning Signs: Check engine light illuminated at approximately 98,000 miles Vehicle was taken to dealership for diagnosis at that time No specific transmission warning messages were displayed Dealership reported no issue found Maintenance History: The vehicle has been regularly maintained with oil changes performed approximately every 5,000 miles. Maintenance records are available for review upon request.