my xjr stinks like bad eggs around 80mph,plus trans fault light comes on..? on 2004 Jaguar XJR

im noticing alot of people sayin these 6 speed tranny's havin lots of trouble..i paid too much f---en money 4 this kinda crap ,isnt there some way to get jaguar to man up and fix their shortcomlngs?

Asked by for the 2004 Jaguar XJR
very common issues for jags.sorry you have to live with this kinda will be a never ending fight to maintain this car