The following are known Action Replay Codes for Test Drive on Sony Playstation 2 (PS2). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark (Version 1 & 2)

Master Code – Must Be On
0E3C7DF2 1853E59E
EE8EFCEE BCC5AF5A

Computer Cars Go Crazy
DE987466 3BA89A82

More Time-Nav: Press L1+L2
0E9564F8 BCA99582
DE004E9A BCA9B2F3

More Time-Circuit/Linear: Press R1+R2
0E9564F8 BCA99082
DE00789A BCA9B2F3

Reset Lap Time: Press L1+R1
0E9564F8 BCA98E82
DE981B46 BCA99B83
0E9564F8 BCA98E82
DE981F0E BCA99B83

Have All Cars
DE9A2E22 BDAA9C84
DE9A2E2E BDAA9C84
DE9A2E2A BDAA9C84
DE9A2E36 BDAA9C84
DE9A2E32 BDAA9C84
DE9A2E3E BDAA9C84