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    TRIFECTA General Update Announcement: Chevrolet Sonic 1.8 September 2014 Update

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      TRIFECTA General Update Announcement: TRIFECTA Chevrolet Sonic 1.8 September 2014 Update

       

       

      The Chevrolet Sonic 1.8 TRIFECTA General Update increment: September 2014 is now available.

       

      This announcement documents the current calibration revision increment corresponding with the GM early September OS and calibration update. This update is available for all MY2012+ Chevrolet Sonic 1.8 vehicles.

    Release Notes:

     

    - (TRIFECTA) Improved Power Delivery between 4000 to 5500 RPM.

    - (TRIFECTA) Low end torque improved by 20 ft-lbs @ 2500 RPM.

    - (TRIFECTA) Octane adaptive featureset revision increment.

    - (TRIFECTA) Improved fuel economy under hill climb conditions.

    - (TRIFECTA) GM Base Calibration updated to September 6th 2014 release.

    - (GM) Improved closed loop transition state logic.

    - (GM) Improved MAF polling rate.

    - (GM) Fixed CE adaptivity issue with updating MyLink failing.

    - (GM) Fixed ECM ring 60 saturation on CAN BUS resulting in prolonged delay issue in BCM null state triggers.

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