NHTSA Complaint #11712768 — 2023 TOYOTA TUNDRA

I am submitting this complaint to report a serious vehicle safety incident involving a sudden and complete loss of power while driving at highway speed. Vehicle Information: Make: Toyota Model: Tundra Model Year: 2023 VIN: [XXX] Incident Description: While driving at highway speed, my vehicle experienced a sudden and complete loss of power. The vehicle immediately lost propulsion, creating a dangerous situation for myself and my family. This event occurred without warning and required immediate action to safely exit traffic. Following the incident, the vehicle was taken to an authorized Toyota service facility. After inspection, the vehicle required a full engine replacement. The repair was completed, and the vehicle was returned to me. However, despite the repair, the incident has caused a lasting loss of confidence in the vehicle’s safety for highway operation. My family and I now avoid highway driving due to fear that a similar loss-of-power event could recur. Important Clarifications: • No collision or personal injury occurred, but the situation posed a significant safety risk. • The loss of power occurred at highway speed, not during low-speed or idle conditions. • The vehicle required a complete engine replacement following the incident. • The repair itself does not address the safety concern related to sudden power loss at speed. Current Safety Concern: Although the vehicle is currently operable, I do not feel it is safe to use on highways due to the nature of the original failure. The sudden loss of propulsion at highway speed presents a serious safety risk to occupants and other road users. I am submitting this report so that NHTSA is aware of this incident and can evaluate whether similar incidents may be occurring with this vehicle or powertrain configuration. Thank you for your attention to this safety matter. Submitted by: [XXX] Vehicle Owner / Lessee Date of Incident: 11/30/2025 INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B