Toyota and Lexus Firmware 30403100.bin
Catalog reference for Toyota and Lexus firmware 30403100.bin and its calibration identifier.
30403100.bin is a Toyota or Lexus automotive firmware file identified by the full calibration code 30403100.
The identifier alone does not reliably establish which control module uses it or what vehicle system it controls. The file name also does not identify a stock or modified variant, a specific vehicle application, or a software change.