Having problems with a wild fade/slice

[JacquesH]

Hi there. Lately I have developed a slice of my tee shot that's uncontrolable. It starts down the middle of the fairway, then it fades away into the rough.
My fairway shots and shortgame are coming together nicely which allows me to still make par off a bad drive, but I'd like to work out that slice.

I have a high clubhead speed and my drive often clears 300 yards and I'm not sure if my hips maybe comes through before my arms.

Please send me your views