Default [Q] [HELP] SIM not detected

Hello.. after I flash the CyanogenMod ROM to my Moto G.. My SIM isnt detected by the phone..
So I needed to come back to the stock ROM.

There is some "baseband" that I need to flash?

My Phone Model is XT1033, and I flashed this ROM.
http://forum.xda-developers.com/show....php?t=2617679

I saw that it works correct with the most part of people...