Toyota 89665-08230 Engine Control Calibration
Learn how Toyota calibration 89665-08230 relates to engine control and the P261093 malfunction indicator light bulletin.
Toyota 89665-08230 is an engine control module calibration. Its full calibration identifier, 896650823000, appears as an updated calibration in Toyota service records. The engine control module manages engine operation using sensor inputs to control functions such as fuel delivery and ignition.
What the calibration addresses
Toyota service bulletin T-SB-0013-19 lists 896650823000 as an updated calibration in connection with an illuminated malfunction indicator light and diagnostic trouble code P261093. That code concerns the engine control module’s internal engine-off timer performance. In practice, the timer helps the controller account for how long the engine has been stopped when it resumes operation.
The bulletin identifies this calibration as an update for the documented condition. It does not mean that every vehicle with the calibration has experienced the warning light, or that the code alone identifies the correct calibration for a particular vehicle.
Service-record context
The same full identifier also appears as an updated engine control module calibration in T-SB-0001-18. That bulletin covers certain 2017–2018 Highlander and Sienna vehicles. T-SB-0013-19 has a broader multi-vehicle scope, including Prius, Prius Prime, Tacoma, Camry and Sienna models. Those bulletin-wide model lists do not establish exact fitment for this individual calibration.
The engine control module’s general responsibilities are broader than the specific service condition associated with this update. The records support identifying 896650823000 as an updated engine calibration, but they do not establish every software change made in the revision.