Toyota and Lexus Firmware 89663-30P30-A

89663-30P30-A is a Toyota or Lexus engine control calibration identifier in the 89663 part-number family. Calibrations in this family are associated with engine control module software, which manages engine operation using sensor inputs and programmed control strategies.

The related catalog entry is 89663-30P30. The available identifiers do not establish the exact vehicle application or describe what the -A revision changes. They also do not identify a stock or modified variant.