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  1. My Trackhawk has been tuned PCM & TCM by someone...

    My Trackhawk has been tuned PCM & TCM by someone else and the PCS table has been changed (lowered) and I think that may be the wrong way because I feel something odd going on at light throttle in 7th...
  2. Hello! anybody experts in here can help a guy...

    Hello! anybody experts in here can help a guy out?
    I'm not sure I understand these Tables correctly.
  3. ZF8HP Pressure Control Solenoid (PCS) and (TCC) tables

    How do these tables work as far as adjusting them?
    The PCS 30268 table under Pressure Control Solenoid Characteristic you can change the Milliamps for a set BAR Pressure.
    So is the TCM commanding a...
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    Thank you for the quick reply, I guess for some...

    Thank you for the quick reply, I guess for some reason it defaulted to write entire that time.
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    Writing to pcm problem

    I have been tunning my 2020 Jeep Trackhawk and writing to pcm and it normally takes around 40 sec.
    but today it took over 4 min. and I noticed it said write entire to pcm instead of Write...
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    Writing to pcm problem

    I have been tunning my 2020 Jeep Trackhawk and writing to pcm and it normally takes around 40 sec.
    but today it took over 4 min. and I noticed it said write entire to pcm instead of Write...
  7. What PCM type to use to read my 2020 Jeep Grand...

    What PCM type to use to read my 2020 Jeep Grand Cherokee Trackhawk 6.2L?
    I tried a read entire and it took 9min 32 sec but not sure it read the TCM, not much info/tables in Trans section.
    Do I need...
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    Thank you for the info, it?s a stock tune. ...

    Thank you for the info, it?s a stock tune.
    Going to do a bit of data logging before I attempt any tuning.
    Thanks again for your help.
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    2020 Jeep Trackhawk AFR

    Tried some data logging today using the Beta Scanner and the Data log for AFR is not matching the trucks performance pages AFR.
    not sure if I have the correct channels selected, there are so many WB...
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    Climate control! Is there settings you changed on...

    Climate control! Is there settings you changed on this and then the AC disable settings are now working?
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    can I read a 2012 5.0 Mustang

    I have a friend that wants me to read and compare the differences between his stock tune and a aftermarket tune he purchased.
    Is there any issues in just downloading and reading the calibrations, I...
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    Yes, still running the stock converter, but it...

    Yes, still running the stock converter, but it was sliping under light throttle low speed 40 to 50mph like it was engaging and dis-engaging all the time, I would see 50 to 300 rpm slip and you could...
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    On my Denali I just logged the TCC Slip & Engine...

    On my Denali I just logged the TCC Slip & Engine Torque and just kept adding 10% to the values until the slip got down to 0-20 rpm and fine tuned from there at different Torque values, it works great.
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    Thanks LazMan I will give it a try tonight, I...

    Thanks LazMan I will give it a try tonight, I only see a Cat test dissable/enable and a post O2 test dissable/enable.
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    scooter k did you ever figure this out? my 2008...

    scooter k did you ever figure this out? my 2008 Yukon Denali is doing the same thing and it does it on the stock tune so I think it may be a componet issue like the O2 sensor except that the EMC is...
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    Mine is doing exactly like the one in this thread...

    Mine is doing exactly like the one in this thread but will do it evan when the engine is warm.
    (http://www.hptuners.com/forum/showthread.php?t=23166&highlight=rough+idle)
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    In and out of open loop at idle

    My 2008 Yukon Denali 6.2L will go into open loop at idle and the comanded AFR will go to 16.0 for a few seconds then jump to 11.0 for a few seconds then jump back to closed loop and durring all this...
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    Bump

    Bump
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    How do you log during cranking

    Every time I try it stops logging during cranking and then starts logging again after it starts.
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    Any news on this yet? I sure do need to be able...

    Any news on this yet?
    I sure do need to be able to increase the pressure on the TCC, the constant slipping is rather anoying, These Denali Yukons have an exhaust that rumbles and you can hear the...
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    I have a question, is there a way to adjust the...

    I have a question, is there a way to adjust the TCC pressure? I have noticed under light load at low speed (45mph) in 5th or 6th gear with the TCC locked I'm getting some slip and you can hear the...
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    Thanks I found it, all is well.

    Thanks I found it, all is well.
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    histogram problem

    The histogram cyl airmass on the spark tables are reading half of whats on the main table display and chart display.
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    Ok I checked everything out and the 10* of...

    Ok I checked everything out and the 10* of advance I saw is showing up in the PID (DFCO) as +10* I will post the log tomorrow.

    Attached is the log
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    Then after I do that, should I have the dealer do...

    Then after I do that, should I have the dealer do the CASE Learn?

    I told them not to start or run it until I modified the Calibration with my tune because of the Larger injectors so No CASE Learn...
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