Toyota 89663-0K131 Engine Control Calibration
A catalog reference for Toyota firmware 89663-0K131 and its engine control calibration family.
89663-0K131 is a Toyota calibration identifier in the 89663 part-number family, which is associated with engine control module software. An engine control module uses calibration data to manage engine operation, including fuel delivery and other controls appropriate to the engine.
The association with engine control is tentative for this exact identifier. The code alone does not establish the vehicle, engine, market or software changes covered by this calibration. It also does not identify a stock or modified variant.