Toyota 89663-0CC31 (2).bin Engine Control Firmware
A catalog reference for Toyota 89663-0CC31 (2).bin and its likely engine control calibration family.
89663-0CC31 (2).bin is a Toyota automotive firmware file associated with the 89663-0CC31 calibration identifier. The 89663 part-number family is generally associated with engine control computer software, so this entry is tentatively identified as an engine control calibration.
Engine control software governs how the engine responds to operating conditions, including functions such as fuel delivery and ignition timing. The identifier alone does not establish which functions this particular revision changes or which vehicle uses it.
The (2) suffix appears in the filename, not in the related calibration identifier. It does not by itself identify a modified variant or a specific software feature.