I have updated a my video explaining what you exactly have to get action replay codes for PSO Episode 1 as well as 2.
Here are links for codes:
PSO Ep 1 & 2 V 1.0 AR Codes:
PSO Ep 1 & 2 V 1.1 AR Codes
Bank Mod Codes (Enables any weapon for unlocked)
We look through the different passwords we may utilize as well as the different endings we may get depending on our game time.