Toyota Lexus Firmware SW#89663-60491-MOD.bin
Catalog information for Toyota and Lexus firmware SW#89663-60491-MOD.bin and calibration identifier 89663-60491.
SW#89663-60491-MOD.bin is a modified firmware file identified by the Toyota calibration number 89663-60491. Its specific vehicle application and the changes made in the modified file are not established by the catalog identifier.
What the identifier indicates
The 89663 part-number family is associated with Toyota engine control software. That makes an engine control module application plausible, but the complete identifier alone does not establish the exact controller, vehicle or software function.
The MOD label distinguishes this file as a modified variant. It does not identify a particular performance change, emissions-related adjustment or other feature. The related catalog entry 89663-60491 supplies the base identifier but does not describe a stock file or a specific modification.