Toyota Firmware 89663-0H352: Calibration Catalog Reference
A concise catalog reference for Toyota firmware calibration 89663-0H352 and its identifier.
89663-0H352 is a Toyota firmware calibration identifier. The complete code identifies this catalog entry, but the identifier alone does not establish its exact vehicle application or the function controlled by its software.
The 89663 part-number family is associated with Toyota electronic control software. A matching calibration or controller record would be needed to distinguish the module and determine what this particular revision changes.