The following are known GameShark Codes for Colin McRae Rally 2.0 on Sony Playstation (PS1).
These codes were also known as Action Replay Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

• Instant Win-Rally
  D00E2BEC 0000
  800E2BEC 0FFF
• Unlock All Tracks & Cars
  8004D9E4 FFFF
• Unlock All Cheats
  3004C66C 00FF
• Max Championship Points
  80050722 0064
• Infinite Repair Time
  D0067554 0000
  80067556 2400