Toyota Firmware 89663-36080: Calibration Reference
A concise catalog reference for Toyota firmware identifier 89663-36080 and its control-module part-number family.
89663-36080 is a Toyota calibration identifier in the 89663 software part-number family. This family is associated with engine and powertrain control calibrations, so its application to an engine control module is tentative.
An engine control module uses calibration data to manage functions such as fuel delivery and ignition timing. Those are general controller functions, not confirmed changes made by 89663-36080. The identifier alone does not establish its exact vehicle application or the behavior of this particular revision.