Toyota and Lexus Firmware 89663-48720 (2).bin
A catalog reference for Toyota and Lexus firmware 89663-48720 (2).bin and its calibration identifier.
89663-48720 (2).bin is a Toyota or Lexus firmware file identified by the calibration number 89663-48720. The related catalog entry uses the same identifier without the filename suffix.
The 89663 part-number family is associated with engine control software. That makes an engine control module application plausible, but the available catalog name does not establish the exact vehicle or the function of this calibration.
The (2) suffix distinguishes the filename as listed. It does not, by itself, identify a modified tune, a software revision or a particular vehicle application.