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    I am starting to get closer to the issue. It...

    I am starting to get closer to the issue. It appears to be a Windows 11 + USB-C issue with powering on the V2 FlashScan while the OBDII is connected and the car is off. See my test cases below.
    I'm...
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    I got it working when connected to the car too....

    I got it working when connected to the car too. Here's the odd series of events:
    - V2 FlashScan connected to the OBDII
    - Opened V8, attempted to connect to the V2 FlashScan and got the "cannot...
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    Thanks. I suspect it could have been a bad...

    Thanks. I suspect it could have been a bad connection for the USB-C to USB-A connector when i was in the car. I just tested it at my desk and it was able to connect to the V2.
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    Windows 11 Support?

    I was able to install the latest V8 and V7 apps on Windows 11, however it cannot detect the USB to the FlashScan V2.

    Detailed setup:
    - Apps V8 (V8.3.22) and V7 (V7.5.48)
    - FlashScan V2 with the...
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    Sticky: joecar, that makes sense now for the "Save/Reopen...

    joecar, that makes sense now for the "Save/Reopen values".
    I set all shifts to 0.2s now and everything is working as expected now. Thanks again!
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    Sticky: joecar - Below is a summary of all the tests that...

    joecar - Below is a summary of all the tests that I've run.



    Tune Entered: Desired Shift Time (s)
    After Save/ Re-open: Desired Shift Time (s)
    Shift Tested
    Torque Reduction Work?
    Notes
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    Sticky: joecar - that's exactly how i got to this point....

    joecar - that's exactly how i got to this point. I read everywhere that you should set the times to 0 when you have a shift kit and then use TR to soften the shifts - which was not working.

    I...
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    Sticky: CONFIRMED. Test: 1-2 shift time set to 0 sec....

    CONFIRMED.
    Test: 1-2 shift time set to 0 sec.
    Results:
    - Part throttle: pulls the correct timing during the shift for the TR% set in the tune.
    - WOT: does NOT pull any timing during the shift.
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    Sticky: I'm going to set it back to 0 sec to confirm that...

    I'm going to set it back to 0 sec to confirm that this issue occurs again. I'll post the results.

    - PCM: GM LS1B: Service 12586243, HW 12583659, other numbers: 12587670, YFXJ. However, this is not...
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    Sticky: I added a desired shift time of 0.2sec for the...

    I added a desired shift time of 0.2sec for the 1st to 2nd shift and now the transmission torque reduction is working at WOT. The shift time was 0 previously when it was only working at part throttle....
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    Sticky: 4L60E Transmission Torque Reduction during WOT

    Is there any reason why the torque reduction would not work during a WOT shift?
    My logs show that it's correctly pulling the timing during a 1 to 2 shift during a part throttle shift. During a WOT...
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    That's what I suspected, however in testing it...

    That's what I suspected, however in testing it always seemed like the lookup was off by 1 row.

    Test Data:
    No other retard was pulling timing during this test.
    High octane table set the same as...
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    A0010 Interpolated or Not?

    Is the A0010 Boost timing table interpolated based on the current MAP reading?
    OR
    Does it use the closest row? Example: MAP=162kPa, then it would use the row for 165kPa.

    PCM: GM LS1B
    OS...
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    Yes, but not to the PCM. It's wired up a gauge -...

    Yes, but not to the PCM. It's wired up a gauge - Innovate Motorsports 3912 MTX-D Dual Gauge.
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    No real issue anymore. For now, I just manually...

    No real issue anymore. For now, I just manually update the tune. If I ever get the time, then I'll take another try at getting a COS 04110003 + 12587604 working solution.
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    @Highlander This was more of finding an EFI Live...

    @Highlander This was more of finding an EFI Live COS that I could use with the support rather than any hardware issue. From joecar and searching, I would have had to start with a different stock tune...
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    I had this same exact issue recently. It occurred...

    I had this same exact issue recently. It occurred and would randomly fix itself. It happened on car B with an LS1B 09360361 after I had previously been connected to car A with an LS1B 12587604 /...
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    joecar, Thanks for the reply. I did some digging...

    joecar, Thanks for the reply.
    I did some digging over the weekend and came up with the following.
    Solution: I'm getting an Ethanol Gauge in order to read the ethanol % from the sensor (GM 13577429)...
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    2004 GTO + Flex Fuel Sensor

    Current Setup:
    2004 GTO, Automatic 4L60E, Procharger
    GM LS1B: Service 12586243, HW 12583659
    OS: EFI Live Custom 04110003 upgraded from stock 12587604 (flex fuel disabled)

    I have googled a lot...
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    Thanks Paul! The update worked for me too.

    Thanks Paul! The update worked for me too.
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    I have updated to V7.5.9 build 322, V8.2.4.315,...

    I have updated to V7.5.9 build 322, V8.2.4.315, firmware V2.07.112 (Feb 14, 2017).
    Controller: LS1B
    Issue: When I open V7.5 Scan Tool, it cannot connect to the controller. It states that it is...
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