Toyota and Lexus Firmware 89665-48060
A catalog reference for Toyota and Lexus calibration identifier 89665-48060 and its engine-control software family.
89665-48060 is a Toyota or Lexus engine-control calibration identifier. The 89665 part-number family is associated with engine control module software, which helps govern fuel delivery, ignition timing and other engine operating functions.
The catalog groups 89665-48060 with several other calibration identifiers, including 89665-04014, 89665-08231 and 89665-0E240. That grouping does not establish a shared vehicle application or interchangeability. The available catalog information does not identify the model, engine or specific changes associated with 89665-48060.