Toyota and Lexus Firmware 89663-60J01_STOK.bin
A catalog reference for Toyota and Lexus firmware 89663-60J01_STOK.bin and its stock variant label.
89663-60J01_STOK.bin is a Toyota or Lexus firmware catalog entry associated with calibration identifier 89663-60J01. The STOK label indicates a stock, or unmodified, variant.
The 89663 part-number family is associated with engine control calibration software. The exact vehicle application and the functions changed by this particular calibration cannot be established from the identifier alone.