Toyota and Lexus Firmware 30C30100-T04ii.cuw

30C30100-T04ii.cuw is a Toyota or Lexus firmware file identifier. The complete identifier does not establish a specific control module, vehicle application, or software function on its own.

The .cuw extension identifies the file format, while 30C30100-T04ii distinguishes this entry from similarly numbered files. Neither a stock or modified variant nor a particular calibration change is identified by the filename.