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Software Update for the Manual!

Discussion in '3rd Gen. Tacomas (2016+)' started by Ruggybuggy, Aug 8, 2018.

  1. Mar 23, 2019 at 6:49 AM
    #2601
    jewboi

    jewboi Well-Known Member

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    Just to be clear, none of this matters with OVtune since these two TSB have been rolled into the OVtune flash ?

    I went to the dealer and did pretty much what you said but they told me they thst neither of those were applicable to the MT (even after I explained it to them) but that they uodated my ECU “to the latest version anyways”

    A week or so after that is when I flashed OVtune. Wondering now if I need to go back and make sure these got done ?
     
  2. Mar 23, 2019 at 6:54 AM
    #2602
    pinochle

    pinochle GC8 Fanatic

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    Just look at your ECU firmware version.
     
    tonered likes this.
  3. Mar 23, 2019 at 7:45 AM
    #2603
    tonered

    tonered tacorider

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    1.05B 87, Functional Skewp, 7r41lbr34k3r knob, Debadge, Dechrome, MeSo switch panel and V4s
    What MY is your Taco?

    It is best to start with the lastest stock tune as a baseline for OVT.

    The Carista and OBD Fusion apps or TechStream and OVT software using the Tactrix cable from the OVT kit will tell you what ECU ID you have.
     
    shakerhood likes this.
  4. Mar 23, 2019 at 10:42 AM
    #2604
    TD90S

    TD90S Cool as a cucumber in a bowl of hot sauce

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    Why is that? I thought OVT has all the latest factory tune improvements.
    My truck is a 18, A7000 calibration. I’ve tried, no dealer around here will do the update. 2018 MT is not listed on any TSB.
     
  5. Mar 23, 2019 at 11:14 AM
    #2605
    nway2deep

    nway2deep Well-Known Member

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    I
    I did the same just BS'd the head tech about surging while backing out of driveway they couldn't duplicate but applied the update anyhow
     
    shakerhood likes this.
  6. Mar 23, 2019 at 11:33 AM
    #2606
    pyankura

    pyankura Well-Known Member

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    Speaking from the Bosch world, there is the firmware which is the actual control system, sorta like Windows. And then there are the "look up tables" which is the "calibration" tables, sorta like updating Word only. When you write the entire ecu, you are writing the firmware and the tables. We did did both, so when we'd tune a Mercedes for instance. We'd Alwys get the latest "both" so when the dealer would connect for guided fault finding or something, they would not write over the tune. That was the functionality of our tuning tools. Others, allow for different flexibility.



     
    tonered likes this.
  7. Mar 23, 2019 at 11:44 AM
    #2607
    nxcess

    nxcess Well-Known Member

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    OVTuned
    It's listed under calibration information but under applicability, it only specifies 6AT.
    upload_2019-3-23_13-43-1.jpg
     
  8. Mar 23, 2019 at 12:08 PM
    #2608
    TD90S

    TD90S Cool as a cucumber in a bowl of hot sauce

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    Yes and that’s the problem, AT. Toyota has these dealers scared to think on their own.
     
  9. Mar 23, 2019 at 12:08 PM
    #2609
    TD90S

    TD90S Cool as a cucumber in a bowl of hot sauce

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    So is that how the OVT works?
     
  10. Mar 23, 2019 at 12:23 PM
    #2610
    pyankura

    pyankura Well-Known Member

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    I have no idea....all that stuff was in my previous life. I don't follow what they do here really. I can only speak about what CMD Tech did some years ago. If we wanted the latest updates, there was a forum for professionals to get the lastest updates from manufacturers.
     
    TD90S likes this.
  11. Mar 23, 2019 at 6:36 PM
    #2611
    tonered

    tonered tacorider

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    It was noted by Mat somewhere (either a thread or on his site) that folks should upgrade to the latest Toyota tune as a baseline.

    Everyone's tunes are base off of what is currently loaded in the ECU.

    I am sure that Mat can say it better than me, but starting with 04A71 is going to make the tune better?
     
    shakerhood likes this.
  12. Mar 25, 2019 at 7:49 AM
    #2612
    Beyonder010

    Beyonder010 Member

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    Will do... I may try this weekend.
     
    harlequin_forest likes this.
  13. Mar 26, 2019 at 9:33 AM
    #2613
    Roddy13

    Roddy13 Well-Known Member

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    Is anyone's truck reverting back to before the flash? "unlearning" so to speak?
     
    Maffee88 likes this.
  14. Mar 26, 2019 at 9:37 AM
    #2614
    tonered

    tonered tacorider

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  15. Mar 26, 2019 at 10:51 AM
    #2615
    St.Germain

    St.Germain chromed out luxury truck

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    not here. every tune i've loaded has stayed solid, and many of them have improved a lot in the first few days of driving. but some have reported some bad behavior returning, but not totally back to stock behavior.
     
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  16. Mar 26, 2019 at 2:32 PM
    #2616
    Roddy13

    Roddy13 Well-Known Member

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    Ok thanks. I have intermittent 1st and 2nd gear surging, just want to be sure i'm not wasting my time taking it to the dealer just to have it return.
     
    St.Germain likes this.
  17. Mar 26, 2019 at 4:17 PM
    #2617
    St.Germain

    St.Germain chromed out luxury truck

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    just keep in mind that as far as we're all seeing, so many of these trucks show different outcomes. the ECUs& base calibrations were changing each model year. it has appeared to most of the MT crowd here that trucks before and up to calibration 04B12, mostly up to MY '17, got predictable results from the update, which upgrades calibration to 04B13.

    what info do you have on your truck? do you know your ECU version?
     
  18. Mar 26, 2019 at 4:24 PM
    #2618
    Roddy13

    Roddy13 Well-Known Member

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    No clue what’s on my truck or how to check. It’s a 16 and I’d imagine it’s never been reflashed
     
  19. Mar 26, 2019 at 4:25 PM
    #2619
    TeecoTaco

    TeecoTaco Well-Known Member

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    Modified the level of gas in the tank
    What month/year was it built? Driver side door frame placard
     
    shakerhood likes this.
  20. Mar 26, 2019 at 4:48 PM
    #2620
    St.Germain

    St.Germain chromed out luxury truck

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    that's probably good news for you since the upgrade on @MOC221_ 's truck helped more than anything before that. he has a 16 and has relearning issues, but i think going to 04B13 was the most helpful step ... Frank care to comment?
     
    TeecoTaco and tonered like this.
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