Toyota Lexus 30T09000-ii.cuw Firmware
A catalog reference for Toyota and Lexus firmware identifier 30T09000-ii.cuw and its calibration file format.
30T09000-ii.cuw is a Toyota or Lexus firmware catalog identifier. The complete filename identifies a calibration file, but it does not establish a specific control module, vehicle application, or software function on its own.
The .cuw extension indicates a calibration update file. A matching controller or service record would be needed to establish what this particular calibration controls and which vehicles it applies to.