Toyota and Lexus Firmware 89663-30F61-_MOD.bin

89663-30F61-_MOD.bin is a modified firmware file associated with the Toyota and Lexus calibration identifier 89663-30F61. The related catalog entry preserves the same complete identifier without the modified-file label.

What the identifier indicates

The 89663 family is generally associated with engine control software calibrations. That makes an engine control module association plausible, but the identifier and catalog filename alone do not establish the exact vehicle, engine, or control function for this entry.

The _MOD suffix identifies the file as a modified variant. It does not say what was changed or establish how the modification affects vehicle operation. The related 89663-30F61 entry contains no variant label and should not by itself be treated as proof of a stock file.