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HPTuners (The Tacoma FAQ)

Discussion in 'Performance and Tuning' started by JustDSM, Feb 1, 2021.

  1. Feb 1, 2021 at 7:23 AM
    #1
    JustDSM

    JustDSM [OP] Oderint Dum Metuant

    Joined:
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    Justin
    Ennis, TX
    Vehicle:
    '15 Access Cab V6/6spd TRD OR
    [​IMG]

    Many of you may already be aware of the original HPTuners thread here on TacomaWorld where the ECU reflash support for the 2nd Gen Tacoma was brought to light by @Hacktacular.

    My intent with this thread is to have a common source location that I can maintain for all the technical and procedural info that is scattered about the original HPTuners thread and other locations. The goal of this thread is to educate those who are interested in the product and/or custom tuning as well as those who already have HPTuners a source for a "one stop shop" information location similar in fashion to the world famous TRD-Magnusson Supercharger tips-tricks-and-mods thread.

    Please be patient while I compile and organize the information. MUCH, MUCH more to come.
    --------------------------------------------------------------------------------------
    What is HPTuners?
    They're a company that specializes in providing tuning and diagnostic solutions for a wide range of modern OBD vehicles. Through the use of their MPVI2 and VCM Software Suite, you have an almost endless array of digital adjustments(some applications more than other), seamless live logging, diagnostics/analysis tools and tuning abilities with these powerful tools. I encourage you to check out their website (HPTuners) for the latest information regarding their product(s).

    MPVI2, VCM Software Suite, Credits?
    HPTuners utilizes a software package called the VCM Suite. The VCM Suite (available here: HPTuners Downloads) consists of two separate programs, the VCM Editor and the VCM Scanner.

    VCM Scanner - Is the software that gives you a very powerful and comprehensive scan tool. View, chart, and log diagnostic data in real time via the vehicle’s OBDII diagnostic data port. View and clear vehicle Diagnostic Trouble Codes (DTCs) along with other vehicle module information.

    VCM Editor - Is the software that allows you to read your truck's ECU flash memory and save the tune in our proprietary .HPT file structure. VCM Editor enables you to adjust a multitude of complex parameters such as torque tables, spark tables, fueling, RPM limits, ACIS, VVTi, transmission shift points and pressures, speed limiter settings and much more. Finally, you can write these changes back to the ECU via the MPVI2.

    MPVI2 - This is the latest hardware module from HPTuners. This is the OBD2 dongle that physically interfaces with your truck and makes custom tuning these possible.

    Universal Credits - A credit a form of "digital currency" that is used to license MPVI2 devices to specific ECU configurations. Each license has an associated number of credits that are required to activate it. As an example, the 2nd Gen Toyota Tacoma application requires use of 4 credits to license. If you do not have enough credits to activate the desired license you must purchase and add more credits. Overall, the credit is the basic unit of currency used to license the MPVI2 to specific ECU(s).

    The above components, are the fundamental pieces of the HPTuners system. If your purchasing the MPVI2, your device will come with a USB stick w/ the VCM Suite software and MPVI2 Drivers on it, however it may be necessary depending on the version of software supplied that you have to visit the Downloads page to get the newest VCM Suite. While you're there you'll notice there is a "Stable" and "Beta" version. At this time, both work, however it is my personal recommendation to use the Beta release (it's updated multiple times a day!) for the absolute latest features/fixes/releases. It is recommended to download/install the VCM suite and the MPVI2 drivers while you wait for your MPVI2's arrival.

    This will allow you to simply open the box, plug the MPVI2 into the OBD2 port and start the tuning process by reading your stock tune.

    The VCM Editor & The Tuning Process


    Reading the stock tune - Video walk through

    To read the stock tune, you're going to need the following:
    1. Laptop w/ VCM Suite and MPVI2 drivers installed.
    2. WiFi or Cellular Hotspot for internet connection.
    3. MPVI2 connected to the vehicles OBD2 port & Laptop via USB Cable.
    Open the VCM Editor, connect the MPVI2 as outlined above. Turn the ignition key to the "ON" position and click the "Read Vehicle" button shown below:
    read.jpg

    You will get a pop up like the one below. You'll want to click the "Read" button, and allow the software to connect to the truck and the HPTuners servers.
    Vehicle Reader.jpg

    You will get the following pop up indicating the virtual read is complete. Click "OK". This message is 100% normal and is (IMHO) a confusing way of telling the end user the virtual read has been performed successfully.
    VR.jpg

    *Virtual Read* Some ECU's cannot be directly read from the OBD2 port as the manufacturer because never intended to read the content of the ECU, only flash it for updates. So, the virtual read is the only way to read the ECU data. Our ECU happens to be one of these. When you attempt to read the stock tune file from the truck, The MPVI2 will read the stored VIN number and Calibration ID number and report these details to the HPTuners servers where a copy of the tune that was original to your ECU will be supplied and you'll see the pop up message indicating the virtual read was performed. With this virtual read, even if the car is tuned, if you read the car, you will always have an original file.

    Additionally, you may also see another pop up message about your ECU being outdated as seen below. This message is displayed when the Calibration ID of your ECU is "outdated" and there is a Toyota TSB updated calibration available. You will be supplied the latest variant of your Calibration ID at the time of the virtual read. *This can have implications if you are currently without a supercharger but plan to later fit the TRD/Magnusson Supercharger. More on this to come*

    upload_2021-5-23_14-12-44.jpg

    Once the above messages are acknowledged, you'll be prompted to save a file. This is the stock calibration (virtually read) and supplied to you in the previously mentioned .HPT format. Name this file as you please and save it to a location you can remember and/or easily navigate too. The .HPT format is a proprietary format that contains all of the OE calibration data but additional details specific to HPTuners.

    Editing the stock tune

    To edit and/or tune your truck, you'll use the VCM Editor to render the calibration updates to your tune file. Simply open your stock or current working file and perform the required updates. Be sure to save any changes as a unique file to ensure you do not lose any prior versions, should you need to refer back to them or reload them for testing purposes.

    Writing a tune - Video walk through

    Writing your newly modified tune back to the truck is fairly straight forward but you will want to take some steps to ensure you do not damage (Brick) your ECU. I'll outline a few of the key things you'll want to do to ensure a successful reflash. This list is not necessarily all inclusive as there may be specific modifications/alterations to your vehicle that I cannot account for. This list outlines the common areas that have raised issues with our specific application over the last few years.
    1. Ensure your laptop is up-to-date with all updates and has a good dependable battery.
    2. Ensure your vehicle's battery is in good condition and is capable of maintaining at least 12.2-12.3 volts at rest. *Using a battery charger during flashing is encouraged if/where possible*
    3. Have all sources of electrical current draw (Supercharger pump, dome light, radio, A/C, Fans, Etc) turned off prior to starting the flash.
    4. Ensure your MPVI2 USB cable is in serviceable condition. Kinking it and rough handling can damage them.
    5. Have a reliable internet connection or hotspot.
    With the above precautions taken (and any others) you'll want to ensure you have the file you wish to flash open in the VCM Editor, an internet connection and the MPVI2 is connected to the OBD2 port and to the laptop. Click on the "Write Vehicle" icon shown below:
    write.jpg

    You'll get a similar pop up to the one below. Click on the "Write" button and depending on the licensing you'll either be prompted to license, or the flash will initiate. If this is your first time reflashing the vehicle you'll need to license, which we'll cover in the next section. Write times vary depending on the ECU hardware. Flash times for the earlier ECU's take between 3-4 Minutes where the newer ECU's take 1-2 minutes. DO NOT INTERRUPT or UTILIZE OTHER SOFTWARE DURING THE FLASH PROCESS!
    write1.jpg

    Licensing


    If this is your first time loading a tune file back to the ECU, you'll be prompted and informed you do not have a license for this file. The image below (outdated) is what you'll be prompted with. You'll want to select the option to "Show License Options" and on the following screen select the VIN Specific option. Continue to follow the prompts. Keep in mind that once you use your credits, they cannot be refunded. Upon licensing, you'll be prompted again with option to "Write" calibration. Follow the above instructions to flash the tune file.
    Licensing.jpg

    Purchasing Credits

    There are a few ways you can go about purchasing credits for your MPVI2. There are also a number of sources where you can get them as HPTuners does authorize independed dealers to resale credits (some at a slight discount). However, all credits are issued by HPTuners and to eliminate issues/delays in getting my credits I get them direct from the source. This is the method I'll outline here.

    1) Registering Your Device
    If you didn't purchase your MPVI2 with the credits pre-installed, or you're needing to add more credits to your device, you're going to need an account with HPTuners and register your device with them. You can do that here: HPTuners My Account

    Once you've either logged in/created an account, you should see this:
    MyAccount.jpg

    Once here, click on the "My Devices" icon of the left. That'll bring you to a page where you can enter the details of your device. Be sure to pay attention to the headings, as there is a spot for the registration of an older MPVI device. So confirm that you are inputting your data in the MPVI2 specific data entry fields. It should be the form below.
    RegisterMPVI2.jpg

    You can find the serial number to your MPVI2 on the device. Input that data in the appropriate field and for the "Verification ID", open up your VCM Editor (leaving the registration page open the background). Navigate to the "Help" menu and select "MPIV2 Verification Code".
    [​IMG]

    Save this code and back to the HPTuners device registration page and input your "MPVI2 Verification Code" in the appropriate field. Input any Notes you may want about this device. Once all fields are complete, click the blue "Import" button. This should save your device to your account and you should see it listed at the bottom of the "My Devices" page, similar to this:
    MyDevice.jpg

    2) Adding credits to your MPVI2

    As previously mentioned, there's a number of ways you can go about getting credits for your MPVI2. I'm going to outline things going direct from the source, on HPTuners web page. You are welcome to use any of the other methods, but for the sake of this FAQ and brevity, I'm only going to focus on this basic method.

    Log into your account and go to your device (as outlined above) and click on the "Add Credit" button. This will bring you to a page where you can purchase credits. Ensure your serial number matches the number on the screen. Any error here will mean you purchase credits for someone else's device! Add the number of credits you wish to add (remember, we need 4 for our applications) and "Add to Cart". Complete the checkout process.


    AddCredit.jpg

    Once your purchase is complete, the HPTuners servers will allocate the credits to your device. However, before you can use them, you need to sync your device with the HPTuners servers. Here's a short clip from HPTuners illustrating the process:


    Once you've resync'd your device your credits have now been applied to your MPVI2 and you can use them at this point. Remember that you use your credits when you "Write" a tune back to the ECU. See the "Writing a tune" section above.

    Additional Licensing Info:
    For our application, HPTuners Licensing has three components. They are:
    1. The MPVI2 Serial #
    2. The vehicle's VIN #
    3. Calibration ID of the ECU
    When you license to upload the tune file, you're essentially given unrestricted access to write and update tunes at any time, for no additional cost when these three items are licensed. A lot of questions and confusion arise from the licensing portion of this system. Understanding exactly what comprises of the license can be helpful in understanding the limitations, loop-holes, and gotcha's.

    Adding a TRD/Magnusson S/C and tune after tuning your truck in Natrually Aspirated form:
    The biggest "gotcha" that comes up fairly regularly is folks wanting to get tuned while their truck is still naturally aspirated, but have plans to add the TRD/Magnusson supercharger at some point in the future. This situation poses some unique drawbacks and hurdles that can ultimately end up costing the user more in the long run. While we'll cover a little more in another section regarding Calibration ID's what's important to note here is that the Factory TRD S/C tune (and some of the other aftermarket tunes such as Bully Dog) have a unique Calibration ID that is different than the naturally aspirated tune your truck was originally programmed with. This poses a problem (and potentially two) for individuals wanting to tune their trucks before fitting the supercharger. As mentioned the licensing is tied to the Calibration ID in addition to the two other variables listed above, so if the Calibration ID changes, you must re-license the configuration by using an additional 4 credits to license the Supercharger specific Calibration ID. Additional complications can arise for some Calibration ID's in that the TSB update tune from Toyota (or as part of the HPTuners reflash) renders the ECU ineligible for conversion to the TRD Supercharger Tune. This is typical on 2012+ ECU's. The earlier 2005-2011 ECU's are able to receive the TRD Supercharger tune despite the TSB updates.
    ---------------------------------------------------------------------------------------

    The VCM Scanner & The Tuning Process

    The VCM Scanner is in arguably the most powerful component of the VCM Suite. It is a comprehensive Scan Tool & Datalogger with a great deal of analytical power. If you're just getting started, the first step of your journey might be to get familiar with the current condition and state of health your engine and transmission may be in before undergoing the tuning journey.

    One thing to keep in mind, the VCM Scanner comes pre-configured to record some very basic PID’s that are part of the OBD2 protocol’s universal SAE parameters. These are very basic scan-tool parameters that don’t give much in the way of detailed info.

    All aspects of the VCM Scanner are end user customizable. What you wish to log, the rate that the PID's are polled, the units they're displayed in, how they are displayed, with what other data are they displayed against and more all all configurable. You can view data in raw numbers via the Channels list, Gauges, Graphs or Charts. The possibilities are limited by your creative thinking and knowledge of how to read the data. This aspect of HPTuners is often the most daunting part of the tuning process and the scope here isn't to cover every potential setting/tip/trick on how to master the program, but provide a solid foundation to facilitate your learning. To assist users, I've compiled a list of pertinent parameters for the Tacoma/FJ Cruiser that can be loaded into the VCM Scanner and get you out collecting data while you develop your VCM Scanner layout to suite your specific and individual needs. I'll outline how to load the channels configuration file attached below (Techumesh.channels *Note* The file is in .zip format and must be extracted before it can be used.) and perform some basic customization of the VCM Scanner.

    Thankfully, HPTuners has integrated Custom PID's to the Toyota platforms in addition to the Toyota Enhanced PID’s which are found on Toyota’s TechStream software which is used by service department technicians for diagnostics/repair. These enhanced PID’s give an in-depth look into how the ECU is processing the various inputs/outputs but also reports them at a much higher polling rate than the SAE channels. The improved sampling rate goes a long way in making sense of what’s happening inside the engine and the non-SAE PIDs should be used/selected where and whenever possible. The channels file that I’ve attached below (Techumesh.channels) uses these enhanced PID's almost exclusively.

    VCM Scanner Files

    When configuring the VCM Scanner or doing any datalogging, it's important to know where the various files you're modifying and/or saving are going. The main location that you need to be familiar with is: /Documents/HP Tuners/VCM Scanner/

    DocumentsVCMScanner.jpg


    Within this directory, you'll see a number of various folders. The ones you immediately need to be concerned with are the "Channel Config", "Layouts" and "Logs". The others are important too, but these are the bread and butter and managing/using the contents within these folders will enable to tuning process to happen.

    Channels Configuration
    We've already touched on the Channels Configuration file. This is the critical piece, as it is what the tells the scanner what PID's to poll from the ECU. Without properly loading the proper channels file, the datalog session will likely be an effort in wasting time as the data generated often times isn't useful to making informed decisions on the tuning process. To get the configuration file loaded you'll want to perform the following:
    1. Extract the Techumesh.channels file to (/Documents/HP Tuners/VCM Scanner/Channels)
    2. Once the file is saved to that directory, you’ll open up the VCM Scanner, and then click on the channels tab on the upper left.
    3. That’ll open and you’ll see a list of PID’s that the Scanner will attempt to poll. If you already see that list, you can click on the little folder at the top of the channels list to open the Techumesh.channels file.
    4. Once you select and open the Techumesh.channels file, you should see the list of PID’s repopulate with new parameters. These are the Toyota Enhanced PID’s I mentioned above.
    ChannelsLog.jpg

    Datalogging
    With the the channels configuration file setup properly, you're ready to start datalogging. To start logging, you'll need:
    1. the MPVI2 plugged into the OBD2 port.
    2. USB cable connected to the laptop*.
    3. VCM Scanner open*.
    * Pro Feature's allows Stand-alone datalogging, no USB/Laptop required

    To start the logging, simply depress the 'space bar' to initiate the log. You'll see the VCM Scanner connect to the vehicle and start polling and recording data. To stop the log, depress the 'space bar' again. You'll see the entire log session remain displayed on your screen. You can review the data or simply press the spacebar again to initiate a 2nd session. You do not need to physically save each individual log (though you can!) as datalog sessions are automatically saved and all log files are stored here: \Documents\HP Tuners\VCM Scanner\Logs
    Logs.jpg


    You may notice that many of the gauges and graphs on the right half of the screen will not report data immediately after changing the channels configuration. This is because the graphs/gauges are all linked to the default channels. Some time will need to be taken at some point to reconfigure those to use the new channels we’ve chosen. (More on that later..)

    FullScreenLog.jpg

    Datalog Files
    Log files, or .hpl files, are files that have saved frame data. You can save your log files for future reference, or to share with others. You can also export an existing .hpl VCM Scanner log files for external analysis as a comma delimited .csv file. Exporting to a .csv file is convenient if you wish to share your log file with those that do not have HP Tuners. To share your log file with those that do have HP Tuners, all you need to send them is the .hpl file and they will be able to open up the log file in their own version of HP Tuners VCM Scanner.

    - Layout Configurations
    --Graphs
    --Charts
    --Gauges
    ---Tips & Tricks

    - Pro Features
    --External sensors
    ---External sensor setup
     

    Attached Files:

    Last edited: Jun 5, 2021
  2. Feb 1, 2021 at 7:23 AM
    #2
    JustDSM

    JustDSM [OP] Oderint Dum Metuant

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    The above should get you squared away with reading/writing tune files. The information below will be tailored to specific topics not necessarily related to the reading/writing tune files but important info relevant to this discussion.

    What can be adjusted?
    HPTuners Tacoma Engine Parameters & Engine DTC
    HPTuners Tacoma Transmission Parameters

    VCM Editor Tips & Tricks
    -Calibration Info
    -Compare tunes
    -Edit Axis

    VCM Scanner Tips & Tricks
    -Channels
    -Gauges
    -Graphs
    -Charts
    -Maths
    -Filters

    Calibration ID's
    - TRD Calibrations
    - VIN Programming

    E85 Usage
     
    Last edited: Feb 3, 2021
  3. Feb 1, 2021 at 12:17 PM
    #3
    JustDSM

    JustDSM [OP] Oderint Dum Metuant

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    Reserved for future use #2.

    Toyota Patents
     

    Attached Files:

    Last edited: Feb 1, 2021
  4. Feb 3, 2021 at 3:41 PM
    #4
    djtacoma

    djtacoma Active Member

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    Magnuson Supercharger, Cam gears, King 2.5 Coilovers and shocks, SPC UCAs, Icon progressive add-a-leaf, Wheelers u-bolt flip with Superbumps, Tom Woods one-piece driveshaft, TRD Pro wheels, 265/70/17 KO2s, air freshener
    Great info here! Thank you @JustDSM!
     
  5. Feb 14, 2021 at 7:08 AM
    #5
    RAGS2WRENCHES

    RAGS2WRENCHES Member

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    2007 AC W/2012 1GR-FE 2ND AIR INJECT DELETE. URD HEADS. VOLANT CAI. CUSTOM WINCH MOUNT W/WARN 9.5TI. LED UPGRADES IN/OUT. TPMS DELETE. PIONEER AVIC W/KICKER HIDEAWAY. JUNKYARD SURVIVOR.
    Ok, here is one for you. I have an 07 with a 2012 engine. So far it runs good. I blocked off the SAI ports on the manifold and installed URD long tubes, a volant (yeah I know) CAI and have the rest of the exhaust ready to install. Should I get a 2012 ECU before tuning this with HPT?
     
  6. Feb 14, 2021 at 7:38 AM
    #6
    JustDSM

    JustDSM [OP] Oderint Dum Metuant

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    I would not use the 2012 ECU in your situation. Great question however!
     
    BassAckwards and nudavinci64 like this.
  7. Feb 14, 2021 at 10:30 AM
    #7
    RAGS2WRENCHES

    RAGS2WRENCHES Member

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    2007 AC W/2012 1GR-FE 2ND AIR INJECT DELETE. URD HEADS. VOLANT CAI. CUSTOM WINCH MOUNT W/WARN 9.5TI. LED UPGRADES IN/OUT. TPMS DELETE. PIONEER AVIC W/KICKER HIDEAWAY. JUNKYARD SURVIVOR.
    Ok, perfect! Once i find someone to weld this exhaust up I will definitely be ordering one. I have actually read most of this entire thread! Seems like the missing piece of the puzzle :)
     
    JustDSM [OP] likes this.
  8. Feb 18, 2021 at 9:03 PM
    #8
    Mista_G

    Mista_G Well-Known Member

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    For people in Orange County, CA I have an MPVI2 cable that I’m willing to help people get their reads and flashes, my internet reaches my driveway thank goodness.

    Justin eventually it may be a good idea to include how all the prices breakdown in this thread to avoid all the messages like i sent you. Also feel free to tell me to delete this if you think it’s lame :spam:
     
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  9. Feb 19, 2021 at 7:55 AM
    #9
    JustDSM

    JustDSM [OP] Oderint Dum Metuant

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    I think it would be a great resource to have a list of folks who own MPVI2's and are willing to allow others use of their device or are willing to flash files/datalog for folks. That's something I'll integrate into this thread. I will ask folks to PM me if they'd like to be included on that list to keep the clutter down in this thread. But great idea!

    Regarding the pricing and break down. I have decided to keep this thread "Tech" oriented and not so much of a sales post. I'd like to use this post more as a resource to assist everyone with using/learning about their software/hardware. I'll make a separate thread in the classified section that outlines the "sales" bit of things to better align myself with the rules of the forum. The Mods/Admins have been kind to me by allowing me to assist folks thus far and I don't want to stretch my welcome too much more. But also a great idea and a much needed one, as A LOT of my PM's are related to this.
     
    Biscuits, ARoman83, Mista_G and 4 others like this.
  10. Feb 20, 2021 at 7:01 PM
    #10
    Hacktacular

    Hacktacular Well-Known Member

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    @JustDSM, great thread. Feel free to add me if I can help. I am no longer in a Tacoma but do have an MPVI2 and can assist if needed.
    I'm in South Florida Broward County.
     
  11. Mar 7, 2021 at 3:35 PM
    #11
    ARoman83

    ARoman83 Well-Known Member

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    Only legal stuff
    I don't know much about the wizardry that accompanies the tuning process, but I can flash/log with no problems lol
     
    Hacktacular likes this.

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