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Thread: Why does ETC get cut on shifts? 07 SIlverado

  1. #1
    Senior Tuner
    Join Date
    Jun 2004
    Location
    Baltimore, Md
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    1,213

    Why does ETC get cut on shifts? 07 SIlverado

    maxed out every axle torque limit, and it still shows ETC torque managment coming on and cuts throttle, whenever its set to shift above stock 5300. Very odd.
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere

  2. #2
    Senior Tuner
    Join Date
    Jun 2004
    Location
    Baltimore, Md
    Posts
    1,213
    On this one it look more like a speed limiter to me now here, but everything is set to 160. I had some earlier ones where it did it on 1-2 shift also, obviously NOT a speed limiter there?
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere

  3. #3
    Advanced Tuner
    Join Date
    Dec 2005
    Posts
    214
    Speedo>Limiter>General>Source>Calibration (not GMLAN)

  4. #4
    Agree: you must change from GMLAN to Calibration. Also your Engine>Fuel>PowerEnrich>Delay RPM parameter should be "1000 rpm" (or something lower) to enable PE faster and not "8192" as you have it, that might enable your PE later, have knock, etc.

    http://www.hptuners.com/forum/showthread.php?t=13593
    http://www.hptuners.com/forum/showthread.php?p=109682 (the example is for some cars/trucks, just try lower values to enable PE faster).

    And finally take a look at this one too (we all started reading these):

    http://www.hptuners.com/forum/showthread.php?t=9700