The following are known Action Replay Codes for NHL 2002 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
14defa04
28e2b324
29fdf131
ea8b194c

Away Team Scores 50
50108aa0
7ba6a382

Home Team Scores 50
ee2fcfdc
8eadef99

Away Team Scores 0
6346983f
f9624a00

Home Team Scores 0
1394f21d
8913d637