these past two days my Super charger has been running silent almost like its been shutdown. so all i hear is my engine roaring when i accelerate. the other is my shift tronic +shift -Shift side to side didnt work a couple of times and my gears stayed in one till i stopped the car and turned it off and restarted it.

Mainly my main focus is my supercharger. I recently got a code P0244 Turbocharger Wastegate Solenoid A Range/Performance

when i start my car again sometimes its like nothing has happen .

What could be happening here?

other then that my car runs smoothly just no extra boost lol

a reply would be most grateful

2002 c230 coupe 170k miles auto transmission.