The following are known Action Replay Codes for Shining Soul II on Nintendo Game Boy Advance (GBA).
These codes were also known as GameShark Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

Master Code – Must Be On
723c3743
2a51aec1
a8428a28
179f3600

Infinite Money
91cb4f8d
a97a092f

Infinite Health
ca23e5ff
e248fafe

Max Health
a0aad5d8
b0ec8841
3b0376f8
f9ea0fb3

Infinite SP
f9c2abbe
71e3bf5a

Max SP
cda8e151
697576b8
cf82a47f
1c16d890
4cccdf1a
a8c11a3e
f8cb7922
f9837007

Infinite Soul Meter
5935f339
a8537c9c

Infinite Status Points
c424da08
64e234ac

Infinite Skill Points
fad44a86
cd331637

Quick Level Up
3a68354b
35deb12a