This page contains LEGO Harry Potter: Years 1-4 Codes for PSP called "Cheat Mode" and has been posted or updated on Jun 28, 2010 by happymangopee. Let us know what you think of this Code by thumbs voting.
After the Leaky Cauldron hub area is unlocked, enter Wiseacres Wizarding Supplies in Diagon Alley. Go upstairs and talk to the vendor, then enter one of the following passwords
|HA79V8||Character Token Detector|
|84QNQN||Gold Brick Detector|
|TTMC6D||Hogwarts Crest Detector|
|7AD7HE||Red Brick Detector|
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