Toyota Yaris Yaris_NCP9#_1.589661-52F11MOD.bin Firmware
A catalog reference for the Toyota Yaris NCP9# firmware file 1.589661-52F11MOD.bin and its modified variant label.
Yaris_NCP9#_1.589661-52F11MOD.bin is a firmware catalog filename associated with the Toyota Yaris NCP9# model family. The MOD suffix identifies it as a modified variant, but the filename does not identify the change or establish which vehicle system it affects.
What the identifier tells you
NCP9# is the vehicle-family designation in the name, while 1.589661-52F11 distinguishes this calibration or software record. The complete identifier is important when comparing files: a similar number alone does not establish that another record belongs to the same controller or has the same behavior.
The filename does not reliably identify a specific control module, stock counterpart, or functional modification. Its modified label should therefore be read as a catalog distinction rather than evidence of a particular performance, emissions, or drivability change.