The following are known Action Replay Codes for Bionicle 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
0ff461c3
ccef14a8
ba5bae43
c2340c81

Max Lives
12d08c97
6dd1469c
53b8d452
055b3799

Regain Health
a6a72397
30a5bd8a
f9ac7221
9a540cc7

Regain E. Energy
6c92b23c
fb300991
f9ac7221
9a540cc7