The contact owns a 2018 Toyota C-HR. The contact stated while driving 20 MPH and depressing the accelerator pedal, the engine revved loudly while the transmission was stuck in low gear. The check engine, power steering, Forward Collision Avoidance, and other unknown warning lights were illuminated. The contact stated that upon exceeding 25 MPH, the engine revved loudly to 4,000 RPM. The contact drove to the residence, where the vehicle was diagnosed by a mobile independent mechanic. The mechanic determined that the failure was related to the transmission. The vehicle was not repaired. Glen Burnie Transmissions was contacted, and the contact was informed that there were several similar vehicles at the location being repaired for the failure. The dealer was notified of the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 91,000.