The following are known Action Replay Codes for American Bass Challenge 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
fa11e07c
1af034b4
9fb6f67e
83216e3e

All Lakes Open
48b78495
441fec2a

No Line Tension
c78c336c
439e6364

AR Button: Always 1200
a3b6f6f6
47ce0e21
a05a144c
078b0074
500bb9a1
ee246d20
0718ec2e
dbeb2e2c