Why can't I get AR codes to work?

[Wamphyri]

Hello, I am trying to play Pikmin in widescreen using the AR code but it doesn't seem to be working. I have force 16:9 on, enable cheats on, and widescreen hack off. I right click the Pikmin iso image in the main Dolphin screen and go to properties - AR codes - add and then copy the three lines of code into the provided space and hit OK. I then make sure the code is in the list and is checked. When I open Pikmin, the game is in widescreen but is stretched. What exactly am I doing wrong?

I got the AR code from the Dolphin wiki which is as follows:

16:9 Aspect Ratio (Widescreen) [Ralf]
HYRZ-MK7B-NG86E
UPQH-3PG7-AD7CZ
X18R-CJ5H-DNYFV

I am using the NTSC version of the game and the AR code.

Thanks for any help!

[Kurausukun]

You do have cheats enabled in Dolphin's main config, right?

[TehGuy]

Grab the latest Dev build on top of that; I think 4.0-5369 was around the time there was AR Code issues