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  • TSB ECU Update

    This thread is for both AT and MT Tacos. All of the 3rd Gen ECU TSBs are attached. All TSB Software (CUWs) are the same for each ECU ID. The TSBs just note different symptoms and coverage. See this thread on TW for all of the file attachments:


    Current TSB Info:
    -- TSB-0134-16 -- Official ECU Flash Instructions.
    These instructions are summarized below.

    -- TSB-0058-18 -- 2016 through 2018 MT and AT Update
    -- TSB-0062-18 -- 2016 through 2018 AT Update
    -- TSB-0125-18 -- 2016 and 2017 MT and AT Update
    -- TSB-0013-19 Rev 1 -- 2016 through 2018 MT and AT Update plus several other Toyotas
    Includes Mexican Market ECU IDs​
    -- TSB-0043-20 Rev 1 (USA) and T-TCI-5349 Rev 1 (Canada) -- 2016 through 2020 MT Update
    -- TSB-0092-20 (USA) and T-TCI-5380 (Canada) -- 2019 and 2020 AT Update
    -- Unknown TSB is released for 2020 and 2021 ATs -- CUWs are attached. This will be updated one the TSB is received.

    -- 2021 MT Tacos - no TSB update
    MT ECU ID 04C30.
    2021 Tacos require TS V15 to Connect and use Customization, diagnostic, or test functions.​
    -- Added placed holders for the 2022s.​




    TechStream V14.20.019: For 2016 through 2020 Tacos.
    https://drive.google.com/file/d/1rHu...w?usp=drivesdk

    To unZIP (extract) and install TS V14, you need to turn off all antivirus software on your computer (real time, ransomware, and malware monitoring, etc.). If you do not, the key generating file (techstream-act.exe) will get deleted. There is an instruction file in the ZIP download.

    ** For a step-by-step installation guide, see the end of this post. These instructions are also the last PDF attachment to this post.

    Tactrix drivers: https://www.tactrix.com/index.php?op...d=38&Itemid=61
    The Tactrix unit can be purchased on Tactrix.com also.
    You just need the basic Tactrix OpenPort2.0 unit.
    No extra Mitsubishi or Subaru reflash adapters are needed.
    You will receive a Tactrix OpenPort 2.0 adapter with a miniUSB cable.






    Before connecting to the Taco, plug the Tactrix cable into your computer to verify that the drivers recognize the cable.

    Open TS to test drive the program and pick the Tactrix connection from the drop down menu.

    These are the CUW files for both MTs and ATs Click image for larger version

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    For Aftermarket HU or Maestro Folks!
    If you have an aftermarket head unit and maestro interface you may need to disable ODB communication in the head unit before using TechStream to connect to vehicle.

    IMPORTANT - Use this Checklist for Flashing. As best as you can: Do not use hacked versions of TechStream.
    Do not use a virtual machine environment.
    Do not use Bluetooth or WiFi dongles (USB only).
    The Tactrix is a proven option. Other adapters (cheap chinesium ones) are not proven. A few folks have bricked their ECUs.
    Turn off Windows Update.
    Turn off Windows system sleep functionality.
    Use the “always on” setting in power management pane.
    Turn off USB Power Management for the USB port you are using.
    Plug the laptop into a wall outlet.
    Hook up a battery maintainer.
    Turn off all electrical consumers.
    Open the hood.


    Flash Instructions Once you are ready to flash your Taco do the following:
    Key out
    Plug in the Tactrix to the OBDII port by your left knee
    Double click on the CUW file that applies to your Taco
    Follow prompts exactly


    DTC, Learned Value, and AT Resets It is recommended to Reset the DTCs, Learned Values, and the AT after flash. MTs do not have the AT to reset. So, after the ECU flash:
    Start the motor briefly to test.
    Shut the motor off and then turn the ignition back to On without the starting the motor.
    Launch TS, connect, and find the Reset functions.
    Click image for larger version  Name:	04B33System1.jpg Views:	0 Size:	159.7 KB ID:	29DTC Reset, the Learned Value (LV) Reset, and the AT Reset, if you got one.
    DTC Reset:
    Click image for larger version  Name:	InkedTISreset1_LI11.jpg Views:	0 Size:	126.4 KB ID:	30LV Reset:
    Click image for larger version  Name:	InkedTISreset3_LI1.jpg Views:	0 Size:	118.8 KB ID:	31
    AT Reset:
    Click image for larger version  Name:	InkedTISreset4_LI1.jpg Views:	0 Size:	119.1 KB ID:	32






    Once done (just a few seconds), start the motor and idle for about 5min while touching nothing.

    The idle will rough after that 5min and the first few miles will be a bit wonky. Things will smooth out. The tune will settle in, learn, and adapt over the next 500mi.

    Step-by-Step TechStream V14 Installation Instructions
    A step by step setup instructions to setup TechStream V14 is attached to this post.







    Taco Dealer Customizations
    Off Topic - Programming Customizations in TS Step by Step:
    Note!! Some 2020+ have the ability to turn off the Door Chimes. See the 3rd screenshot.
    2017 ACLB Sport 6MT BR - 04B14 Ultimate Test Tune on 92
    TSB PDFs are at nhtsa.gov / Click on Recalls, search by make and model (not VIN), and then click on Manufacturer Communications
    Latest vF Version Download

  • #2
    Reserved.

    Due to a 10,000 character limit, more will be updated above, including the file attachments.
    2017 ACLB Sport 6MT BR - 04B14 Ultimate Test Tune on 92
    TSB PDFs are at nhtsa.gov / Click on Recalls, search by make and model (not VIN), and then click on Manufacturer Communications
    Latest vF Version Download

    Comment


    • #3
      Good Information!!!!!
      2018 TRD SPORT DCLB V6 2WD A/T (04A61)

      Comment


      • #4
        Thanks for doing this for us.

        Any chance you can change the font colour (the non-black one) as I find it very difficult to read? Little contrast between it and the background.

        Frank

        Comment


        • #5
          Weird. I will see what I can do. With the character limit, it is going to be a while to get it updated and formatted.
          2017 ACLB Sport 6MT BR - 04B14 Ultimate Test Tune on 92
          TSB PDFs are at nhtsa.gov / Click on Recalls, search by make and model (not VIN), and then click on Manufacturer Communications
          Latest vF Version Download

          Comment


          • #6
            A forum directly for OV! I’m in.

            Comment


            • #7
              Thanks Tony🙏

              Comment


              • #8
                Thank you Tony! 🍻

                Comment


                • #9
                  Thanks, Folks!

                  I have a message into Mat to see what can be done about text and attachment number and size limits. Also, it looks like we don't have Spoilers or similar, so the first post will have to be a wall of text.
                  2017 ACLB Sport 6MT BR - 04B14 Ultimate Test Tune on 92
                  TSB PDFs are at nhtsa.gov / Click on Recalls, search by make and model (not VIN), and then click on Manufacturer Communications
                  Latest vF Version Download

                  Comment


                  • #10
                    Not sure what you did, but the text is now very readable for me. Thanks much............................ Frank

                    Comment


                    • #11
                      Originally posted by Frank_Zuccarini View Post
                      Not sure what you did, but the text is now very readable for me. Thanks much............................ Frank

                      You're welcome!

                      It was a direct paste from TW while using the DarkReader Chrome extension. So, it looked good on my side, but there was some formatting stuck in there. I changed it to Automatic text colors and removed all formatting.

                      Still, I am limited, so the post is unfinished. I don't think having it spread over five or more posts would make sense.
                      2017 ACLB Sport 6MT BR - 04B14 Ultimate Test Tune on 92
                      TSB PDFs are at nhtsa.gov / Click on Recalls, search by make and model (not VIN), and then click on Manufacturer Communications
                      Latest vF Version Download

                      Comment


                      • #12
                        Text Limit is now 1,000,000 characters. Thanks, VFTuner !

                        Click image for larger version  Name:	one-million-dollars-header-1-1-1024x576.jpg Views:	1 Size:	70.6 KB ID:	66
                        2017 ACLB Sport 6MT BR - 04B14 Ultimate Test Tune on 92
                        TSB PDFs are at nhtsa.gov / Click on Recalls, search by make and model (not VIN), and then click on Manufacturer Communications
                        Latest vF Version Download

                        Comment


                        • #13
                          How you folks doing today?
                          I finally tried the 2.0 SuperFob Prem flash a couple of nights ago. Much smoother than the 2.0 SuperFob Reg flash. Fun stuff!

                          Comment


                          • #14
                            Originally posted by KG Fz1 View Post
                            How you folks doing today?
                            I finally tried the 2.0 SuperFob Prem flash a couple of nights ago. Much smoother than the 2.0 SuperFob Reg flash. Fun stuff!
                            What octane are you using with it?

                            Did you Reset the LVs afterward? The small surge around 1,500rpm seems to come on after the tune has fully settled. VFTuner said that would take an incredibly deep dive into the Stock calibration to figure out.
                            2017 ACLB Sport 6MT BR - 04B14 Ultimate Test Tune on 92
                            TSB PDFs are at nhtsa.gov / Click on Recalls, search by make and model (not VIN), and then click on Manufacturer Communications
                            Latest vF Version Download

                            Comment


                            • #15
                              Originally posted by tonered View Post

                              What octane are you using with it?

                              Did you Reset the LVs afterward? The small surge around 1,500rpm seems to come on after the tune has fully settled. VFTuner said that would take an incredibly deep dive into the Stock calibration to figure out.
                              I am running 92 or 93 octane. I did not reset LVs, don't know what that means (Learned Values?). I have about 120 miles since the flash. I'll check it out on my drive home in a few minutes.

                              Comment

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