TUNDRA-30CJ5401.cuw Toyota Firmware Catalog Reference
A concise catalog reference for Toyota TUNDRA-30CJ5401.cuw and its calibration identifier.
TUNDRA-30CJ5401.cuw is a firmware catalog filename associated by its label with the Toyota Tundra. The complete identifier contains the calibration code 30CJ5401 and the .cuw file extension.
The filename alone does not reliably establish which control module uses the calibration or what vehicle function it controls. It also does not identify a model year, engine, software change or stock or modified variant. The complete calibration identifier is the useful point of comparison when checking the entry against a vehicle-specific service record.