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  1. Replies
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    It's based on torque loads

    It's based on torque loads
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    If it's the one I'm thinking of (just has an...

    If it's the one I'm thinking of (just has an enable rpm and disable rpm) its only there to prevent you revving the engine with your foot on the brake.
  3. Agree 100%

    Agree 100%
  4. Replies
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    66,806

    The 0 1 2 refer to different torque loads. 0 is...

    The 0 1 2 refer to different torque loads. 0 is low torque, 1 is medium torque, 2 is high torque. I thought Chris did a post a while back that mentioned the actual torque values of each band but I...
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    morgan72 the shift time isn't measured from when...

    morgan72 the shift time isn't measured from when the shift is first commanded. What happens (I think you've mentioned some of this in your latest posts) is that when the shift is commanded the TCM...
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    Not sure if someone has already mentioned this,...

    Not sure if someone has already mentioned this, but the trans can't do a direct 5-1 shift, it has to do 5-3, then 3-1, or 5-4 then 4-1 etc,so I don't think you'll ever get a lightning fast 5-1...
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    7,218

    I dont think the VCM controls have the ability to...

    I dont think the VCM controls have the ability to do the trans fast learn adapts yet. You need to use a Tech 2
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    It lets you filter based on the rate of change of...

    It lets you filter based on the rate of change of something. For example you can filter out any data points when the throttle % is changing more than a certain amount. This gives you more consistent...
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    How long has scanner had dy/dx filter?

    I was making a custom PID today in the scanner and noticed that there is now the option of dy/dx (transient) filtering. How long has it been there I don't remember it being anounced?
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    It's because the pressure is being reported in a...

    It's because the pressure is being reported in a different way in the scanner. If you look at this thread http://www.hptuners.com/forum/showthread.php?t=18561 post #10 it explains it. The base...
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    247,609

    Oncoming volume preset is the volume of fluid...

    Oncoming volume preset is the volume of fluid required to fill the clutch so that it can hold torque during the shift. From what I can tell it shouldn't change unless you rebuild the transmission or...
  12. Replies
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    68,879

    I've noticed the opposition product has 4...

    I've noticed the opposition product has 4 buttons, so I'm guessing the 4th button is the fast learn adapt and HPT just doesn't support this yet?
  13. Replies
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    68,879

    Looking under VCM controls there seems to be 3...

    Looking under VCM controls there seems to be 3 buttons, Trans adapt reset, Trans Adapt preset, and Trans fast adapt reset. I assume the resets just clear the learned values. Is the preset the Trans...
  14. I didn't think that the TCC solenoid used PWM at...

    I didn't think that the TCC solenoid used PWM at all? Not according to this anyway:



    Maybe we need something to tell the TCM that we don't want it to give 20-80rpm of slip when locked up?
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    294,579

    Yes. Lots more parameters were added in 2.22

    Yes. Lots more parameters were added in 2.22
  16. Replies
    351
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    294,579

    2.23 is the beta version. You have to email...

    2.23 is the beta version. You have to email support and request to get access to it.
  17. Replies
    351
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    07 model cars have an extra table "Base CT...

    07 model cars have an extra table "Base CT Downshift - select." For some reason it doesn't appear in 08 and 09 models
  18. Replies
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    Most of the TCM PIDs will show as unsupported...

    Most of the TCM PIDs will show as unsupported unless you are connected to the car.

    You have to be connected to the car before selecting the PIDs and save the config file. If you later open the...
  19. Replies
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    294,579

    I think the adapt volume is only for the oncoming...

    I think the adapt volume is only for the oncoming clutch so it doesn't matter which clutch is offgoing. If this is the case then the volume adapt for 2-3, 4-5, and N-R should all be the same because...
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    I used the config file that I attached when...

    I used the config file that I attached when tuning.

    Good pickup Bluessv about the max volume only being 40. I've never noticed that before. I guess most trannys only require that but yours needs a...
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    I haven't really used the histograms for TCM...

    I haven't really used the histograms for TCM tuning. I did use a couple just to see what was happening but they weren't that useful. When I get home I'll check to see what they were.
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    I've attached the config I use.

    I've attached the config I use.
  23. Replies
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    You should also log turbine speed. If flare...

    You should also log turbine speed. If flare occurs you will see the turbine speed increase before it drops to the level of the next ratio. Logging calc. ratio also helps in determining when a shift...
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    From what I've read the adaptive pressures should...

    From what I've read the adaptive pressures should learn what pressure is required for the oncoming and offgoing clutch to ensure good shift quality. The trans should detect a flare or tie up during a...
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    Extra scanner PIDS for 6L80

    I have a request for some extra PIDs for the 6L80 in the Scanner. I don't know if they are even available but if they are they would be nice to have.

    1. Driver Demand Torque - Probably in the ECM...
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