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  1. T42 - 4t65 - Transmission not downshifting into 1st randomly

    Has anyone experienced issues where a T42 ECM will not downshift into 1st gear randomly ?

    For example, the ECM is programmed to downshift into 1st gear at any time below 41mph. You can do 10 runs,...
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    Does anyone have an update of this math for the...

    Does anyone have an update of this math for the newest VCM scanner?

    Thanks
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    Thanks for the respond, i know what the notes...

    Thanks for the respond, i know what the notes say, but the maf was failed. The DTC's dont always show in the log like that, it was failing without setting it to 0 hz. I know ideally that's what...
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    Thanks, I'll try as suggested. I guess I just...

    Thanks, I'll try as suggested. I guess I just don't understand why it was not an issue on the 2-bar tune. Literally all that was done was swapped the OS to 3-bar.

    I'm starting to wonder when I...
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    Thanks for the response, the maf is failed....

    Thanks for the response, the maf is failed. P0102.

    Also, if the maf was not failed, the VE numbers would be much higher as i would be fighting the MAF under reporting.


    thanks.
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    02 Camaro z28 P03 - 3bar

    Hello, thanks for any help anyone's able to provide, please and thanks.

    I'm running into an issue where no matter how much fuel I pull out of the VE table, the vehicle is still running -20 on the...
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    Resync Failed. Trust Failure

    Hello,

    I'm working on a customers laptop, and when resyncing the interface to add the credits it's getting an error messaeg, "Resync Failed. Trust Failure".

    I've done some research and everyone...
  8. Thanks, I guess the question now is, why would...

    Thanks, I guess the question now is, why would the default settings from the Cobalt not work ?

    Thanks again.
  9. P01 - 2 Bar Map Sensor - 12615136 - Tune settings ?

    Hello,

    I'm kind of confused about what MAP settings to use, the sensor (12615136), is a Cobalt SS 2Bar sensor, so I would assume you would use the map settings from a Cobalt which is:

    Map...
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    Only thing different was the intake, it was an...

    Only thing different was the intake, it was an LS2 style intake. Everything else the same, except it was resleaved to a 6L


    Unfortunately this truck is about 6 hours away, so it'll be unlikely I...
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    I'm also having an issue with P1516, and P2101....

    I'm also having an issue with P1516, and P2101. I've done what this thread has said, and added the, "slave data" however, I do not see any added parameters for adjusting the criteria for P1516....
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    Something I also found out, Texas Speed lost this...

    Something I also found out, Texas Speed lost this customers computer and replaced it with another one they had. I have a feeling this is playing a role in the issue but not quite sure how.
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    After some reading in some other post's it looks...

    After some reading in some other post's it looks like this was an issue on some E67's where an GMPP tune file was used an an entire write was done, and then rechanged, does anyone know if there is a...
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    High Idle - 5.3 resleaved to 6.0

    Hello, - E38 ECM

    I'm having an issue where after the engine was resleaved to a 6.0, the idle is very high when in park. Around 1500-2000RPM. But when I put it into gear, the idle comes down.
    ...
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    So far there has been no issues as far as...

    So far there has been no issues as far as drivability concerns. The response of the vehicle is much better, however it still has that delay in throttle ramp up.

    Thanks for the response 5FDP,...
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    2015 Lacrosse 3.6 - ECU:E39A

    Hello,

    I've been running into an issue with the E39's and the E92's where the throttle takes up to 1 whole second for it to go from 30% to 100%. While glimpsing over the datalog, it appears it's...
  17. Hey Coanan, thanks for the reply. I'm not sure...

    Hey Coanan, thanks for the reply. I'm not sure what you mean with, "Fix in scanner", I'm assuming the scanner will have an added ability I'm not used to on GM's when connected to a dodge ?

    My...
  18. 2014 Dodge R/T - Differential Change - 2.65 TO 3.09 - Basic Tuning Questions

    Hello,

    Thanks to all who spend any time helping, in advance.

    I'm getting ready to do a rear end swap to the 3.09 differential, however in the tune file I do not see where the differential can...
  19. E67 - 5.3 - Startup issues warm/cold after cam/injector/ls7maf install

    Hello,

    One of my customers vehicles just had a cam installed, Injectors (LS7), Maf (ls7)

    I've VE and MAF tuned it, however I'm still having an issue getting it to start properly when its warm....
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    Thanks for your time.

    Thanks for your time.
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    Awesome, thank you very much. I do have...

    Awesome, thank you very much.

    I do have another question, while in boost, if the vehicle was exceeding its max MAF frequency (15000hz) in this case. Could still use the VVE table to adjust fuel or...
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    5FDP, thanks for the reply. While trying to...

    5FDP, thanks for the reply.

    While trying to figure out what you mean, I've come to the assumption you are meaning that I can actually edit the row axis on the VVE table and extend the KPA to 2...
  23. Well the throttle is definitely not opening all...

    Well the throttle is definitely not opening all the way. Can you re-log with the car off key on and press the throttle all the way down several times ? Then mash the throttle all the way to the floor...
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    08 TBSS - E67 ECM - Tuning for Boost

    Hello,

    I've only tuned NA vehicles on the E67 ECM's. My understanding is that I could patch the OS to allow a 2bar MAP but i'm not seeing the ability to do so.

    This appears to be an ability on...
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    T42 Safety shift - 06 Monte Carlo SS

    Hello,

    I'm having an issue where the D1 - D2 - D3 Safety Shift tables do not actually do anything.

    This would be great when racing to hold 1st gear, but also shift once it's reached it's tabled...
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