The following are known Action Replay Codes for Tyco R/C: Assault with a Battery on Sony Playstation (PS1).

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

Device Compatibility: Action Replay, CodeBreaker & GameShark

Infinite Energy
800de67c03ff

Always First Place
d30d5ae60000
800d5ae60000

Start On Third Lap
d00d5aec0000
800d5aec0002

Unlock All Cars
800e566e0101
800e566a0101
800e56680101

Unlock All Modes
800e567c0012