X and Y buttons stopped working on TE after dual mod

Tech Talk
#1

I dual modded an xbox 360 TE with a MC cthulhu. All of the buttons work with the cthulhu, but the X and Y buttons dont with the 360. I can’t figure out whats wrong.

#2

Check your soldering.

#3

I have, multiple times.

#4

continuity test with a multimeter.