Certain 2017-2019 Model Year Fusion and Escape Vehicles Equipped with a 1.5L GTDI Engine - Powertrain Control Module Reprogramming. Some of the affected vehicles may exhibit coolant intrusion into the cylinder bores. Customer symptoms include coolant loss, excessive tailpipe smoke, or illuminated malfunction indicator lights (MIL) due to engine misfire. Over time, this condition may damage the engine, requiring replacement of the engine short block.