Toyota and Lexus Firmware 30215100-T04ii.cuw
Catalog reference for Toyota and Lexus firmware 30215100-T04ii.cuw and its complete calibration identifier.
30215100-T04ii.cuw is a firmware identifier in a Toyota or Lexus catalog. The complete filename identifies this particular entry, but it does not reliably establish the control module, vehicle application, or software function on its own.
The .cuw extension and the calibration code distinguish the file from other firmware records. A similar numerical prefix is not enough to establish that two entries control the same system or have the same compatibility.