The contact owns a 2020 Ford F-150. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. In addition, the check engine warning light illuminated, and the transmission shuddered. The vehicle was taken to the dealer, and the contact was informed that a tune-up was needed. The tune-up was performed; however, the failure reoccurred. The vehicle was taken back to the dealer where it was diagnosed with catalytic converter failure. The contact was informed that the catalytic converter needed to be replaced. The vehicle was not repaired. In addition, the contact stated that the vehicle was repaired under an unknown recall and the PCM was reprogrammed. The unknown recall repair was performed the day prior to the failure. The manufacturer was made aware of the failure. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 90,400.