Toyota and Lexus 89536-50013 (2).bin Firmware
Catalog reference for Toyota and Lexus firmware 89536-50013 (2).bin and its related identifier, 89536-50013.
89536-50013 (2).bin is cataloged alongside the identifier 89536-50013. The 89536 part-number family is associated with Toyota and Lexus brake and vehicle stability control electronics. That association is tentative for this specific file because the catalog does not identify its controller or vehicle application.
What the identifier indicates
A brake or stability controller uses wheel-speed and other vehicle signals to manage functions such as anti-lock braking and stability intervention. The identifier alone does not establish which of those functions this firmware controls or what a particular revision changes.
The (2) suffix appears in the filename, but it does not by itself identify a stock or modified variant, a software revision, or a vehicle fitment.