The Uplay version got updated a few days ago which is why presumably the Steam-tested trainer - which worked before - still initializes but the functions show no effect anymore.
www.cheathappens.com/show_boardpost.asp?postID=1445666
Please use the update notification system to report a game patch, update or to report that the trainer may not be working with the latest version of the game. If 3 or more reports have been filed, consider BOOSTING the priority of this title for a faster turnaround on the updated trainer.
again..
www.cheathappens.com/show_boardpost.asp?postID=1445666
I have no other suggestions..