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January 2, 2013 Service bulletin

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

Toyota technical service bulletin T-SB-0064-10 Rev for 2001-2013 Toyota Camry, 2001-2013 Toyota Prius and 2001-2013 Toyota Corolla and others.

Bulletin number
T-SB-0064-10 Rev
Component
Electrical system: software
Summary
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.

Owners of these vehicles have filed 5,450 complaints in the electrical category.

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