Toyota and Lexus Firmware 30C74000.cuw
Catalog reference for Toyota or Lexus firmware 30C74000.cuw and its calibration identifier.
30C74000.cuw is a Toyota or Lexus firmware catalog identifier. The complete calibration ID is 30C74000, and the file uses the .cuw extension.
The identifier alone does not reliably establish which control module or vehicle system it belongs to. It also does not establish a specific vehicle application, software function, or revision change.