If it`s happend only when Cold, then it`s a now problem. It comes water into turbo actuator, and when this freez, then the the tc lights and engine mailfunctions turns on, and limp mode is set. If you then turn engine of and on again, the ice is thawed and it`s up and og againg. The drain hole on actuator, is moved on newer turbos. I`v seen this on alot of Kuga`s here at work (Ford technican) incude my own. I have made a cower, to move the water from dripping on turbo