Traction problems XC90

Moin moin, I have a question about the all-wheel drive from the XC90. I, or mostly my wife, drive an XC90 2.5 T Geartronic Mj.2007. Since the car is rather a cruiser than a racer, I have hardly noticed the described situation so far. That the XC90 in normal operation is a front-wheeler and the rear axle only switched on if necessary, was actually known to me. Our car, however, behaves somewhat in this regard in my opinion. the front tires turn fully through until after a few tire turns the traction control intervenes and the performance controls away. When I tried yesterday how this behaves when switched off, the tires turned off in 2 gears until the switching process, a force distribution to the rear axle was not noticeable. The all-wheel typical “road catapulting” goes completely off our car, and fast start is rather embarrassing, since the car this usually with loud tire quilts evenly A few months ago, the automatic transmission was changed, which might be related to it?? It can’t actually be on the tyres, as these are new (Conti UHP 235/65R17). So my question is whether any of you have had similar experiences. MfG