WWE 2K16 Update v1.0.1 (CODEX) was a critical technical patch released shortly after the game's PC launch to address stability and performance issues.
The v1.01 patch was primarily a performance and stability-focused update designed to iron out technical glitches. According to the official Steam patch notes , the update included: wwe 2k16 update v101codex exclusive
: After the update completes, go into the CODEX folder (inside the update package), copy all the files, and paste them into your game’s main installation folder, overwriting the existing ones. Update v1.01 Features & Fixes Core Fixes and Improvements WWE 2K16 Update v1
CODEX.ini file, add the line ControllerHack=1 under [General] to force DirectInput fallback.