Toyota and Lexus T-0012-17.cuw Firmware Catalog Reference
A catalog reference for Toyota and Lexus firmware identifier T-0012-17.cuw.
T-0012-17.cuw is a firmware identifier associated with Toyota or Lexus. The complete identifier does not reliably establish which control module or vehicle system it belongs to, or what its software controls.
The .cuw extension identifies the catalog file format, but it does not by itself establish vehicle compatibility, a calibration change, or a particular operating function.