Toyota Highlander 3.5 Firmware 89663-0E430
A catalog reference for Toyota Highlander 3.5 calibration 89663-0E430 and its 2GR-FKS engine application.
89663-0E430 is associated in the catalog with the Toyota Highlander 3.5 and its 2GR-FKS engine. The 89663 part-number family points tentatively to an engine control module calibration. That controller manages engine operation, including fuel delivery, ignition timing and emissions-related functions.
What the catalog identifies
The filename Highlander 3.5 2GRFKS 89663-0E430-B.bin ties the identifier to a Highlander with the 3.5-liter 2GR-FKS engine. The related entry 89663-0E430-B repeats the calibration identifier and its B suffix.
The catalog does not describe a specific change or modified feature for the B variant. The suffix distinguishes the listed file, but it does not by itself establish what changed from another calibration or whether the file is stock. No model year or exact vehicle compatibility is identified by these entries.