The following are known Code Breaker Codes for SEGA Rally Championship on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  0000963F 000A
  10005E00 0007
• Always Win Championship
  33002A4B 0001
• Infinite Checkpoint Time
  830005D8 02EE
• Infinite RP
  83000604 C350
• Low Total Time
  830005CE 0000
• Press R For Turbo Boost
  D0000020 0100
  33002A35 0030
• Access All Cups (In Shop)
  330005C4 0005
• All Extras Bought
  830005B0 FFFF
  830005B2 FFFF
  830005B4 FFFF