The following are known Action Replay Codes for IndyCar Series 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
EE9EE642 BCC9B3D2

Dead AI: Press L3
0E99DA38 BCA99A80
DE8EEC3E BF899B8B
0E99DA38 BCA99A80
DE8EEC3A BCA99B83

Restore AI: Press R3
0E99DA38 BCA99A7E
DE8EEC3A E02DA553
0E99DA38 BCA99A7E
DE8EEC3E E3669A53

No Spectators
DE9AF71E BCA99B83