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Type: Posts; User: Longslyde

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    8L90E TCC Pressure tables?

    Just checking to see if there is anything in the works to open some pressure tables for the TCC on the 8L90E. Is that something to expect in the future?

    I know it takes some time to crack those...
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    2017 Sierra 6.2L 8 speed traction control

    I think I might already know the answer to this questions but I want to make sure I'm not missing something stupid here. I tried the search function and didn't find any topics referring to this so...
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    Easiest to place the vehicle in drive, hold foot...

    Easiest to place the vehicle in drive, hold foot solid on the brake, and throttle lightly and hold it there until your temp reading gets above 170. You're not slipping the tranny, but the converter...
  4. ;) Hope it helped...

    ;) Hope it helped...
  5. First thing to do is make sure your LTFT is 0 to...

    First thing to do is make sure your LTFT is 0 to -5% across the range to make sure the tune in on. It sounds like a delivered torque issue. If LTFT's are in check, then you can try raising the...
  6. you didn't adjust the actual global "Line...

    you didn't adjust the actual global "Line Pressure" table did you? If so, put that back to stock. You need to adjust the base shift pressure tables for each gear.... SLIGHTLY!!! don't go too far, ...
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    In some of the OS's, there was a PID for the...

    In some of the OS's, there was a PID for the gearbox under the Engine info. It had the options for Auto or Manual and you had to select Manual. Not sure if your OS has the option though...
  8. I ran into an issue like this myself. Have you...

    I ran into an issue like this myself. Have you looked at what your Delivered Torque readings were? If the delivered torque was low, the TCM would think you were lighter on the throttle than you...
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    Not taking away from the previous post, but I...

    Not taking away from the previous post, but I believe the IAT is built into the MAF on this particular setup, further making it all the more important that it is clean and reading correctly. The...
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    By changing the tube, you changed the airflow to...

    By changing the tube, you changed the airflow to your MAF. The MAF is the primary component to calculate delivered torque to the transmission. This change in airflow, whether it is reading higher...
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    First, is the engine tune stock? If so, load the...

    First, is the engine tune stock? If so, load the stock trans tune back into the tcm, then go to your scanner and reset all transmission adapts, Apply trans preset, then perform a fast learn. If you...
  12. 2007-2009 T-43's will only accept OS's from those...

    2007-2009 T-43's will only accept OS's from those years, and the 2010-up T-43's will only take OS's from those years. If you try to program an OS outside the year range for the T-43 you have, it...
  13. timing and pressures go hand in hand, start with...

    timing and pressures go hand in hand, start with 5% lower times with 5% higher pressure in all areas as a base. see how it feels but run it for a day with alot of stop and go so you feel it after...
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    Heya Guys, Sorry been out for some time, but...

    Heya Guys,
    Sorry been out for some time, but since this is a sticky, I thought I would elaborate on my experience with the Fast Learn procedure and when it is best to use it...

    Since this option...
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    if the log shows pressure ramping too fast, you...

    if the log shows pressure ramping too fast, you can try setting the TCC Gain up a couple points, like to 1.5 for a starter. This will engage the TCC pressure ramp rate slower. Might soften the...
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    When I tuned my 2010 in stock form, the...

    When I tuned my 2010 in stock form, the difference was VERY noticeable. That was a 6.2L w/6L80E. Gained about 1-2 mpg hyw. I did tune the transmission right away too because of the crappy shift...
  17. Does the slip happen upon movement of the...

    Does the slip happen upon movement of the accerator pedal? Then level out? if so, take a look at my thread:

    http://www.hptuners.com/forum/showthread.php?t=37626
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    Definitely need to adjust the Trans for the added...

    Definitely need to adjust the Trans for the added torque. If it helps, I have my copy of the tuning school 6L80E tuning guide. If you're running a stock Trans this will definitely help. I have a...
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    If you have a stock transmission, I have the...

    If you have a stock transmission, I have the guide from the tuning school that has a good tune in it. Since I modded my transmission, the rules in it don't really work for me anymore. :shrug:...
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    LOL! Bummer, well if anyone else needs it, it is...

    LOL! Bummer, well if anyone else needs it, it is up for grabs. :D
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    I'm on a modded transmission now, not running...

    I'm on a modded transmission now, not running much tm, I'm at 10-15% in the higher rpm just to engage faster. When I ran my stock trans, I was at 25% (or -.7500) in the lower rpm (under 3000rpm) and...
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    Not the cold multiplier. Just below that in the...

    Not the cold multiplier. Just below that in the list, all they way at the bottom you will find "Adder Modifier". This is a range from "0" to "-1.00". Make sure you enter negative numbers in this...
  23. I had noticed this at times also. In my...

    I had noticed this at times also. In my situation, I found that I had more pressure added to my shift than the timing I asked for actually needed. The adapts then pulled it down and it would be...
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    After you hit fast learn, you apply the brake and...

    After you hit fast learn, you apply the brake and shift to Drive to initiate the learn process. Do not let off the brake for the entire process once initiated. Follow the prompts on the scanner...
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    I've worked with the settings in this area and...

    I've worked with the settings in this area and found that the factory settings are about as good as it gets with a stock cam if that is what you are running. YMMV. The only area that I found some...
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