Toyota TUNDRA-30CA4100.cuw Firmware
A catalog reference for Toyota Tundra firmware TUNDRA-30CA4100.cuw and its calibration identifier.
TUNDRA-30CA4100.cuw is a Toyota firmware catalog entry associated by name with the Tundra. The complete calibration identifier is 30CA4100, and the .cuw extension identifies the listed file format.
The identifier alone does not reliably establish which control module uses the file or what vehicle function it controls. The Tundra name in the filename also does not establish a specific model year, engine, or compatible vehicle configuration.