yes there is.
there is already codes for diamond and pearl to walk through walls if you don't have them then update your action replay. There is no code to walk through walls for platinum.
you just get a action replay and enter a code,look up the code
no you can't do that wiyhout an action replay
no
l
Yes there is
do what is the walkthrough walls action replay code for Pokemon heartgold.
Pokemon Pearl Walk Through Walls Action Replay code is: 94000130 FCFD0200 12056C06 00002000 D2000000 00000000 Use R and B.
yes there is it should be on the cheat code list
no
you need action replay and the action replay code to walk through walls. no that does not work i tried it.
it's on codejunkies.com