The following are known Action Replay Codes for High Heat Major League Baseball 2002 on Nintendo Game Boy Advance (GBA).

These are Action Replay Version 3 (V3) Codes.

The codes should work with the region specified but may work for other regions as well.

(m)
7d037727
9c3a0293
578cc1fc
8d0821c0

Home Team Score 0
c747223d
916430d3

Home Team Score 50
ba45b8d3
734aeb6e