Toyota and Lexus Firmware SW#89663-30B10-A MOD_E2.bin
A catalog reference for Toyota and Lexus firmware SW#89663-30B10-A MOD_E2.bin and its 89663-30B10 calibration family.
SW#89663-30B10-A MOD_E2.bin is a Toyota or Lexus engine-control software file associated with the 89663-30B10 calibration family. Toyota’s 89663 numbering is used for engine control computer software, which governs functions such as fuel delivery and ignition timing. The exact vehicle application and the change represented by this file are not established by the catalog identifier alone.
What the file label indicates
The MOD_E2 label identifies this as a modified variant, but it does not specify which engine-control behavior has been changed. It should not be treated as evidence of a particular emissions modification, performance increase, or diagnostic feature. The related 89663-30B10 entry identifies the calibration family without naming those variant details.
An engine control computer uses sensor inputs to manage engine operation and monitor faults. Whether this particular file alters any of those functions, and how it compares with a stock calibration, cannot be determined from its filename.