Toyota and Lexus Firmware T-0031-17.cuw
Catalog reference for Toyota and Lexus firmware identifier T-0031-17.cuw and its calibration-file context.
T-0031-17.cuw is a Toyota or Lexus firmware catalog identifier. The complete identifier and file extension distinguish this entry from similarly numbered files, but they do not establish a specific control module, vehicle application, or software function.
The .cuw extension identifies the entry as a calibration-related file. Its presence alone does not show which vehicle system the calibration controls or what a particular revision changes.