Toyota Firmware 89663-0D202: Calibration Reference
A concise reference to Toyota firmware 89663-0D202 and its calibration identifier.
89663-0D202 is a Toyota calibration identifier in the 89663 part-number family, which is associated with engine control software. The exact vehicle application and the behavior controlled by this particular calibration cannot be established from the identifier alone.
An engine control calibration provides settings used by the engine control module to manage operation. The identifier does not, by itself, establish what changed in this revision or whether it applies to a particular vehicle.