The following are known CodeBreaker Codes for GT Advance 3: Pro Concept Racing on Nintendo Game Boy Advance (GBA).

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

• Enable Code (Must Be On)
  0000741F 000A
  1002BE78 0007
• Place 1st
  33002865 0003
• Press Select+L To End Race
  74000130 01FB
  830058BC 0201
• Press Select+Up For Auto Pilot On
  74000130 03BB
  83004F00 0004
• Press Select+Down For Auto Pilot Off
  74000130 037B
  83004F00 0008
• Stop Timer
  730058BC 0080
  330058BC 0000
• No Start Delay
  73004F40 0000
  33004F40 0001
• Press A+R For Turbo XLR8
  74000130 02FE
  33004F0C 00FF
• Have All Tuned Parts
  33001CF0 007F
  33001CF2 0055
• Have All Races Open/Won
  43001780 FFFF
  0000000B 0002
• Have All Cars Unlocked
  430017A0 FFFF
  00000007 0002
• Unlock Expert Mode
  33002770 0001
• Unlock Drift-Combo Tracks
  33001CF9 0001
  33001CFA 0001
• Unlock Kart
  33001CFC 0001
• Unlock Wireframe
  33001CFD 0001
• Unlock Radio Con
  33001CFE 0001

Slow Opponents Codes

• Position 1
  330056E7 0001
• Position 2
  330055CB 0001
• Position 3
  330054AF 0001
• Position 4
  33005393 0001
• Position 5
  33005267 0001
• Position 6
  3300515B 0001
• Position 7
  3300503F 0001

Turbo Opponents Codes

• Position 1
  330056D0 00FF
• Position 2
  330055B4 00FF
• Position 3
  33005498 00FF
• Position 4
  3300537C 00FF
• Position 5
  33005260 00FF
• Position 6
  33005144 00FF
• Position 7
  33005028 00FF