The following are known Game Genie Codes for Ferrari Grand Prix Challenge on Nintendo Game Boy.

• 004-58C-19E
  Do not lose speed when touching the side of track in a qualifying round or race. (Hitting a sign will slow you down. If you accelerate fully, release the A button and position the car in middle of the track and it will steer itself.)
• 000-22C-C49
  When you crash with another car, your speed will not drop to 0.
• 00A-39B-E6E + 00A-1AB-E6E
  No qualifying timer