Toyota Lexus 89663-F0030 Firmware Catalog Reference
A concise reference to Toyota and Lexus firmware identifier 89663-F0030 and its stock-labeled file.
stok-89663-F0030-B.bin is a stock-labeled binary firmware file associated with the Toyota or Lexus calibration identifier 89663-F0030. The related catalog entry uses that same identifier without the filename prefix or suffix.
What the identifier indicates
The 89663 part-number family is associated with Toyota and Lexus engine control software. That makes an engine control module association plausible, but the complete identifier and available catalog name do not establish the exact vehicle, controller, or calibration function.
The stok label indicates a stock variant rather than a named modification. The trailing B distinguishes the filename, but its meaning and any changes represented by it are not established by the catalog entry.