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  1. #1
    Saab Enthusiast
    Join Date
    10 Apr 2014
    2004 9-5 ARC 2.3T wagon
    Thumbs Up:   0

    Trionic 7 question

    This may be a silly question but -
    Since all things computer get software updates over time, has there ever been such a thing as either a software or firmware update for the Trionic 7 since its initial release ?

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  2. #2
    Oh! I Get It Now Mike Brennan's Avatar
    Join Date
    21 Aug 2010
    Williamsburg, Va. and Cedar RIver Mi.
    01 95 Aero and Wagon, 09 93 Combi and an 08 95 Combi
    Thumbs Up:   7
    Timing, fuel injection and as part of the boost controller is controlled by the ECU. There are many versions on "tuning" the ecu on the T7. Mostly to raise HP. To my knowledge, and for example, you need a Tech 2 to modify the ECU to adapt to an upgraded turbo. I have not heard of any OEM firmware updates so to speak like for the gearbox or Sat Nav.

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