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January 15, 2015 Service bulletin

Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration...

Toyota technical service bulletin TSB-0012-13 Rev2 for 2001-2016 Toyota Camry, 2001-2016 Toyota Prius and 2001-2016 Toyota Corolla and others.

Bulletin number
TSB-0012-13 Rev2
Component
Engine
Summary
TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix procedures described in individual Service Bulletins. This bulletin details the Techstream ECU flash reprogramming process and outlines use of the Technical Information System (TIS) and the Calibration Update Wizard (CUW). Flash calibration updates can only be applied to the vehicle/ECU combination for which they are intended. ECUs have internal security that will not allow them to be programmed with another ECU?s information.

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