Toyota and Lexus 89663-60Q10-TUN.bin Firmware
Catalog reference for 89663-60Q10-TUN.bin and its related Toyota or Lexus calibration identifier, 89663-60Q10.
89663-60Q10-TUN.bin is a firmware catalog filename associated with calibration identifier 89663-60Q10. The related catalog entry uses the same identifier without the -TUN suffix.
The 89663 part-number family is associated with Toyota engine control software. Tentatively, this file belongs to an engine control module calibration, which would govern functions involved in engine operation. The identifier alone does not establish the exact vehicle application or the changes in this particular file.
What the TUN label indicates
The -TUN suffix identifies this filename as a tuning-labeled variant. It does not specify which calibration settings were changed or whether a particular driving behavior was altered. The related 89663-60Q10 entry has no variant label in its catalog name.