The following are known Action Replay Codes for Dragon Ball Z: Taiketsu 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
65d21933
4bd868e3
b1918286
c02d7b14

Player 1: Infinite Health
bc7fb669
5df629b8

Player 1: Infinite Block
2a8ea450
3dc7c219

Player 1: No Block
230db22d
84633d09

Player 1: Infinite Charge
a1bef1a5
b52c5907

Player 1: No Charge
c7648b15
ae81f371

Player 2: Infinite Health
db76a7a6
ffb03dc7

Player 2: Infinite Block
749de56b
2127088b

Player 2: No Block
c2eaed00
d54cc058

Player 2: Infinite Charge
a02f4ea3
328cc8ca

Player 2: No Charge
d04e18b7
0d86689c

Max Z Points
7d3f68fa
a36716cd

All Characters Unlocked
ac10435a
b77c7caa

All Images Unlocked
1ce73db2
b1a830d2

All Songs Unlocked
5f09a885
453e7acf

All Bios Unlocked
eb6df5a0
ef2056c8

All B. Settings Unlocked
8ac33238
1b3a74f8

All Bonus Modes Unlocked
963093ce
64b0cc4c