Toyota Firmware 89663-58111
A catalog reference for Toyota firmware 89663-58111 and its calibration identifier.
89663-58111 is a Toyota software calibration identifier. It belongs to the 89663 part-number family associated with electronic control unit calibration data.
The identifier alone does not reliably establish the exact control module, vehicle application, or software function. It also does not identify a stock or modified variant, or describe a change made by this particular revision.