All versions of Pokemon Diamond work with Action replay codes. However, your Action Replay may have the incorrect ID for the game (if you imported either the action replay or the game), and you must therefore set the correct ID, and get the correct AR codes.
just get codes and put it in your ar
12ad34c43b4345e34f
go to www.codejunkies.com and www.supercheats.com to find out AR Pokemon Diamond/Pearl codes for the DS
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You need a DS Toolkit.
Search it up on supercheats
Well you can get some for codejunkies on the website... www.codejunkies.com or you can search in google:Pokemon Diamond AR codes.
pokesav.org, make your own pokemon! Works with the AR
Just use the Pokemon Modifier.
YUP ITS 1349A5B7F RAPE ME 94749347594
hi im lew go 2 this website. they have all the ar codes. enjoy lol http://uk.codejunkies.com/search/codes/Pokemon-Diamond-Version_Nintendo-DS_17826184-17___.aspx
I can give you any AR code you want for Platinum, Diamond, and Pearl.