Toyota Firmware 89663-0C131: Calibration Catalog Reference
A concise catalog reference for Toyota firmware 89663-0C131 and its two listed binary filenames.
89663-0C131 belongs to Toyota’s 89663 calibration-number family, which is associated with engine control module software. The association is tentative for this entry because the available catalog filenames do not identify the controller, vehicle or specific calibration function.
An engine control module generally manages functions such as fuel delivery, ignition timing and emissions controls. The identifier alone does not establish which of those functions this particular calibration changes or how it affects vehicle operation.
Catalog filenames
The entry appears as 89663-0C131.bin and 89663-0C131 (2).bin. Both names carry the same calibration identifier. The (2) suffix distinguishes the filenames, but it does not by itself establish a modified version or a different software feature.