The contact owns a 2018 Ford Fusion. The contact stated that while driving 5 MPH, the contact heard a sound like running water coming from the engine. The contact stated that the check engine warning light was illuminated. An independent mechanic was contacted. The vehicle was taken to the independent mechanic, where it was diagnosed that there was coolant leaking into the engine, and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure but offered no assistance. The contact related to the failure of the Customer Satisfaction Program: 19B37 (Engine – Powertrain Control Module Reprogramming). The contact was transferred to the NHTSA Hotline to report the failure. The approximate failure mileage was 102,000.