sims 2 pets ps2

Hi, long time ago i was buyed a sims 2 pets on ps2 :D. And now i find a manual, at the back side of manual is: register to www.gamereg.ea.com with this code ,,15243" and earn cheats and awesome rewards :D. Yeah i think its too late but im my view is sims 2 pets on ps2 best sims for ever :D cuz that 3rd person gameplay, can u send my that cheats ? :D or explain me what can i earn from that site ? :D I was tryed it long time ago but it not working 2 years ago, tnx for help, this is not a troll, just serious question. Sry for my bad english, Iam slovakia :D