The following are known Action Replay Codes for NCAA March Madness 2003 on Sony Playstation 2 (PS2). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark (Version 1 & 2)

Master Code – Must Be On
0E3C7DF2 1853E59E
EE8EF426 BCE3D29A

Home Team Infinite Timeouts
CEB39FA6 BCA99B89

Home Team No Timeouts
CEB39FA6 BCA99B83

Away Team Infinite Timeouts
CEB39E0A BCA99B89

Away Team No Timeouts
CEB39E0A BCA99B83