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OVTune 3URFE Tundra ECU Tune Development Thread

Discussion in 'Performance and Tuning' started by OVTune, Apr 25, 2019.

  1. Mar 17, 2021 at 2:17 PM
    #5461
    Challenger1

    Challenger1 Gramping

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    So.. question..

    For a BASE TRD SC tune for my 2019nnon FFV..

    I need to purchase a VF tune software and cable?

    The Kit for $350 will come with a Base TRD SC tune?

    I can make adjustments to the TUNE as I go as well?

    Am I understanding this correctly?

    wanted to make sure before I make the purchase.


    Thank you in advance
     
  2. Mar 17, 2021 at 2:30 PM
    #5462
    Oats87

    Oats87 Pumpkin Rider

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    You will need to purchase the $350 kit which comes with a Tactrix cable: https://vftuner.com/collections/vf/products/vforest-tuner-software-flash-cable and also purchase the "tune pack": https://vftuner.com/collections/tune-packs/products/tundra-5-7l-2018-vf-tune-pack to get access to the supercharger base calibration. If you just purchase the $350 kit, you'll have access to the "base tune" which is what is stock on the truck, and will have a lot more work to do (and will most definitely need to find a dyno).
     
    pnw.tundra and Challenger1 like this.
  3. Mar 17, 2021 at 2:41 PM
    #5463
    Challenger1

    Challenger1 Gramping

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    Thank you for the response!

    The BASE tune would be the TRD SC base tune.. Correct?
     
  4. Mar 17, 2021 at 2:43 PM
    #5464
    Oats87

    Oats87 Pumpkin Rider

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    There is no TRD supercharger tune for a 2019 Tundra. TRD stopped providing calibrations for Tundras after 2015, when the program was discontinued.

    You are looking for a base calibration for a supercharged engine, which that tune pack will get you.
     
    Challenger1 likes this.
  5. Mar 17, 2021 at 2:44 PM
    #5465
    Challenger1

    Challenger1 Gramping

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    Copy.

    Thank you for the clarification!
     
  6. Mar 18, 2021 at 9:00 AM
    #5466
    TX210Tundra

    TX210Tundra New Member

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    SOS 3.25 Rear Level Kit : Firestone Bags : Bilstein Sports at 4 corners : Rock Warrior Grill : 20in OEM BBS : 275/55/20 Cooper's : Grip Pro LSD : Mike's "ByeNanny" : ARH LT 1 3/4 : ARH Cats : 3" X-Pipe: 3" Dual Borla XR1's / 3" Vibrant Resonators: 3" Tail pipes: DIY SABM: AFE Super Stock Intake : AFE T/B Spacer : TRD Accelerator : LED Interior/Exterior : Atoto Pro HU : Cerwin Vega 10in Slim : AVS Visors : Sequoia Leather Seats : TRD shift Knob
    Quick question here as im sure this comes up often, I do not see my base stock tune listed for my ECU ID on my 2008. Would this imply I dont have the latest TSB or my ECU needs to be added to support list ?

    I purchased the software bundle, waiting on my tune pack to arrive any day now.

     
  7. Mar 18, 2021 at 10:59 AM
    #5467
    OVTune

    OVTune [OP] New Member

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    this ECU version is not supported yet. We are working on obtaining the stock data.
     
  8. Mar 18, 2021 at 12:21 PM
    #5468
    TX210Tundra

    TX210Tundra New Member

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    Ok good deal, thank you for confirming that is very helpful !
     
  9. Mar 19, 2021 at 12:41 PM
    #5469
    snivilous

    snivilous New Member

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    I just tried flashing and get "Communication/ECM Error ERROR UNLOCK INVALID". This is after it says "KEY authorization success". Anyone else had this happen and know what I'm doing wrong?
     
  10. Mar 19, 2021 at 12:49 PM
    #5470
    OVTune

    OVTune [OP] New Member

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    Make sure you are using 1.2.9.9.2 and also make sure the file you're trying to flash matches your trucks ECU ID
     
  11. Mar 19, 2021 at 12:53 PM
    #5471
    snivilous

    snivilous New Member

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    Yea, ID is 3YWF3400 and Calibration ID is 3YWF3400. Version 1.2.9.9.2, drivers are updated too. I had a slightly tweaked file I first tried, then tried the file the "stock" file that comes with VFT and same thing happens with both. When I try to start the truck it does the usual gurgle on first try, then fires up on second try like the ECM got reset. Computer has internet access when I try too.

    Capture.jpg
     
  12. Mar 19, 2021 at 12:54 PM
    #5472
    OVTune

    OVTune [OP] New Member

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    Ok send all details to zendesk I'll investigate further
     
    snivilous likes this.
  13. Mar 19, 2021 at 2:43 PM
    #5473
    Wynnded

    Wynnded What MPG...

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    OEM Upgrades: TRD PRO BBS Wheels TRD S/C, OVTune and +2 psi pulley TRD Rear Sway Bar Fox TRD Pro Shocks Limited mirrors (auto darkening/backup camera/power fold) Limited Grill Mod Stubby Antenna Automatic Climate Controls Mod Automatic Headlamp Mod Sequoia Front Sway Bar Mod Sequoia Transfer Case Mod Sequoia Leather Steering Wheel Mod Sequoia Limited Gage Cluster Mod Sequoia LED Headlamp Upgrade Window Tint Fake Manual Transmission Mod 10" BAMufflers Stainless Catback Engine Block Heater Illuminated Ignition Key Ring Mod Deck Rail System w/cleats
    I have the exact same scenario. I don't know if you are already aware of this after our trial and error session a short while ago (9 March). I will send what is an almost identical screenshot to Zendesk.
     
    snivilous likes this.
  14. Mar 20, 2021 at 7:28 AM
    #5474
    apbreaux

    apbreaux New Member

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    Intake, exhaust, remote starter, LEDs everywhere, OVTune
    Is there a simple tutorial on how to flash our ECUs with vftuner?
     
  15. Mar 20, 2021 at 7:56 AM
    #5475
    shellshock

    shellshock Guy who drives a lot

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  16. Mar 20, 2021 at 8:38 AM
    #5476
    apbreaux

    apbreaux New Member

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    Thanks for that. I am upgrading from OCM51 to OCM52. First time starting truck it actually died right away. Waited a couple seconds then it started up. Let it run for a few seconds and shut it down. I'll take it for a test drive here shortly.

    ocm52upgrade.jpg
     
    HulkSmurf14 likes this.
  17. Mar 20, 2021 at 8:45 AM
    #5477
    Wynnded

    Wynnded What MPG...

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    That start and die is normal. Oftentimes the idle will be really low as well then will increase after running for 5-10 minutes.
     
  18. Mar 20, 2021 at 8:48 AM
    #5478
    apbreaux

    apbreaux New Member

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    If I want to go back to OCM51 for any reason, how would I do that? Do I have to now unlock the OCM51 file?
     
  19. Mar 20, 2021 at 8:50 AM
    #5479
    Wynnded

    Wynnded What MPG...

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    I suppose you could just try to flash it, if you're not allowed to go back to it I would imagine that the software wouldn't flash it.
     
  20. Mar 20, 2021 at 9:03 PM
    #5480
    shellshock

    shellshock Guy who drives a lot

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    You cannot revert the ecu to a previous version. You can only flash different tunes of that same ecu ID (including stock)
     
  21. Mar 21, 2021 at 6:46 AM
    #5481
    Wynnded

    Wynnded What MPG...

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    But there was this↓ comment that may make that particular ECU an exception?
     
    HulkSmurf14 and Tyger like this.
  22. Mar 21, 2021 at 8:26 AM
    #5482
    apbreaux

    apbreaux New Member

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    Yes. My question remains - Do I need to unlock the OCM51 to do this? I unlocked "OCM52 Upgrade" to gain access to that file. What's kinda throwing me is that the actual file that was uploaded is OCM51... . Anyway, just looking for some clarification before I start doing trial and error, and spending points. Thanks.

    ocm52upgrade.1.jpg
     
  23. Mar 21, 2021 at 8:45 AM
    #5483
    Wynnded

    Wynnded What MPG...

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    Personally, what I might try to do would be to see what happens when you try to select (Select Calibration File) the 0CM51 file without burning credits (unlocking).

    Hypothetically, it may be that the changes from 51-52 were so minor that Mat was able to "port/transfer" them over from 52 to 51 without technically changing the ECU ID. That may explain why he's said that you could "go back". Maybe he's essentially renamed 51 to 52 to keep track of the changes in his mind because they were so minor. It's possible that he could've renamed it "51b" or some such, but wanted to try to avoid confusion and a flood of questions among users by calling it 52 because that's basically what it is in the code and it mitigates the entire "upgrading your ECU ID" process. Just my thoughts though, I'm not trying to claim that it would be that straightforward or to assume that's Mat's process/solution.
     
  24. Mar 21, 2021 at 8:50 AM
    #5484
    apbreaux

    apbreaux New Member

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    True. Hoping Mat would chime in with a definitive answer, but may try your suggestion. Much appreciated.
     
  25. Mar 21, 2021 at 8:56 AM
    #5485
    Wynnded

    Wynnded What MPG...

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    Ya, but who knows what other fires he's probably trying to put out. For example, it looks like some 07-13 ECUs aren't playing nice with the software that he may be prioritizing, or even something pertaining to a different vehicle model.
     
    apbreaux likes this.
  26. Mar 21, 2021 at 3:08 PM
    #5486
    shellshock

    shellshock Guy who drives a lot

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    Huh weird

    I musta missed that post. Must be something new that’s been added
     
  27. Mar 21, 2021 at 4:33 PM
    #5487
    Wynnded

    Wynnded What MPG...

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    Or an anomaly. Anyone's guess.
     
  28. Mar 21, 2021 at 6:29 PM
    #5488
    OVTune

    OVTune [OP] New Member

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    Yes just flash the 0CM51 file.

    So with our tundra software, we are making *backwards* compatible upgrade cals, which means you can go back to the previous version if you want to.

    For example 0CM51 - select 0CM52 upgrade - and you are backwards compatible now.

    Same with 0CL43 (being added) to 0CL44
    Etc etc

    Important to know that to retain backwards compatibility you must select the "upgrade" file.

    This will be covered in our new instructions
     
    apbreaux likes this.
  29. Mar 22, 2021 at 7:32 AM
    #5489
    apbreaux

    apbreaux New Member

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    Thanks, Mat. Which file should I make changes to when I start making changes to the ECU (eg, OCM52 Upgrade or OCM52)? Thanks.
     
  30. Mar 22, 2021 at 7:47 AM
    #5490
    Oats87

    Oats87 Pumpkin Rider

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    Mat,

    When using the Toyota Flash Tool to flash a Tundra ECU (in my case, a 0CP50) tune, does the tool automatically reset the TCU adaptation values, and thus is it possible to receive some rough shifting as the truck relearns its values?
     
    Vr0ck likes this.

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