Toyota Tundra Firmware TUNDRA-30CA0100_4.bin

TUNDRA-30CA0100_4.bin is a firmware catalog filename associated with the Toyota Tundra. Its embedded calibration identifier is 30CA0100.

The identifier and filename do not reliably establish which control module uses this calibration or what vehicle function it controls. The _4 suffix is part of the filename, but it does not by itself identify a stock or modified variant or describe a software change.

Using the identifier in a service context

The complete calibration identifier helps distinguish this file from records with similar prefixes. Identifying its application requires a matching controller record or Toyota service documentation. The Tundra name alone does not establish a model year, engine, controller, or vehicle compatibility.