Toyota and Lexus Firmware 89663-48V62
A catalog reference for Toyota and Lexus firmware identifier 89663-48V62 and its control-module family.
89663-48V62 is a Toyota or Lexus calibration identifier in the 89663 part-number family. That family is generally associated with engine or powertrain control software, which manages functions such as fuel delivery, ignition and emissions control.
The family association is tentative for this specific identifier. The code alone does not establish the exact vehicle, controller application or software changes in this revision.