Why wont my cheat codes work in GTA 5 Xbox 360?

There are several reasons why cheat codes might not work in GTA 5 on Xbox 360. Firstly, ensure that you're entering the codes correctly, as even a single mistake can cause them to fail. Additionally, cheat codes cannot be activated during missions or certain gameplay scenariOS; make sure you're in free roam mode. Finally, using cheats can disable achievements and trophies for that play session, so remember to save your game before activating any cheats.