Toyota Firmware 89663-25362: Calibration Catalog Reference
A concise catalog reference for Toyota firmware calibration 89663-25362 and its control-module part-number family.
89663-25362 is a Toyota calibration identifier in the 89663 part-number family, which is commonly associated with engine control module software. That family association is tentative for this specific identifier: the exact vehicle application and software function are not established by the number alone.
An engine control module uses calibration data to govern how the engine operates, including functions such as fuel delivery and emissions control. The identifier 89663-25362 does not, by itself, establish which of those functions this revision changes or whether it represents a stock or modified variant.