(YOU DO NOT NEED THE TDN APP, FOLLOW THE INSTRUCTIONS BELOW). Start with all emissions installed and functioning without codes or error messages. Be sure the DEF level is not low.  On 17-19 model years you must make sure the soot levels are below 70%

<h2 id="isPasted">READ EVERY STEP BEFORE YOU MAKE ANY MODIFICATIONS TO YOUR TRUCK.</h2>(YOU DO NOT NEED THE TDN APP, FOLLOW THE INSTRUCTIONS BELOW)<hr><h2 id="how-the-l5p-tuning-process-works-with-a-new-ecm">How the L5P tuning process works with a new ECM</h2>Start with all emissions installed and functioning without codes or error messages. Be sure the DEF level is not low. &#xA0;On 17-19 model years you must make sure the soot levels are below 70% before proceeding.<ol><li>We send you all the parts</li><li>You install the latest&#xA0;<a href="https://www.hptuners.com/downloads/" style=" text-decoration: none;">VCM Suite BETA software</a>.Always verify you have the&#xA0;latest BETA version whenever you open the software as it updates regularly.&#xA0;</li><li>Connect the MPVi3 to your laptop and open VCM Scanner</li><li>With the factory ECM still installed, save an info log,<ul><li><a style=" text-decoration: none;">Instructions for creating an info log can be found here</a></li><li>Next, start the ECM swap process (Vehicle &gt; Controls and special functions &gt; System &gt; Replace ECM)</li></ul></li><li>Install the new ECM when prompted, before unplugging the ECM, disconnect the battery grounds, and always disconnect them when unplugging the ECM. &#xA0;Take care while inserting the connectors into the ECM, the pins are delicate, and damaging them will lead to issues.</li><li>Continue and complete the ECM swap process in VCM Scanner</li><li>Once the ECM swap process is complete and the NEW UNLOCKED ECM is installed (or your stock&#xA0;ECM is unlocked), you will download the .hpt read file &#xA0;(VCM Editor &gt; Close File &gt; Read. &#xA0;Now select &quot;Read Entire&quot; under the ECM section and &quot;Do not read&quot; under the TCM section. (Always read ECM &amp; TCM separately if tuning both) Then click &quot;Read&quot;, after this is complete you will be able to save the file. Name the file &quot;[ORDER #]__[VIN]&quot;<ul><li>If you are also replacing the TCM go back to steps 4-7, select &quot;Replace TCM&quot; follow the prompts, and send the TCM read in addition to the other files/info in step 9. If you are not doing a TCM tune continue to step 8.</li></ul></li><li>Now with the read file saved, save the info log,&#xA0;<a href="https://www.hptuners.com/help/vcm-editor/Content/How_To_Generate_a_VCM_Infolog.htm" rel="noopener noreferrer" target="_blank" style=" text-decoration: none;">instructions for creating an info log can be found here</a> Email&#xA0;<a href="mailto:hpt@tunerdepot.com" style=" text-decoration: none !important;">OBDii</a><a href="mailto:hpt@tunerdepot.com" style=" text-decoration: none !important;">@tunerdepot.com</a><a href="mailto:hpt@tunerdepot.com" style=" text-decoration: none !important;">&#xA0;</a>the info logs&#xA0;(those using a new ECM will have two info logs, those unlocking the factory ECM will have one info log), vehicle VIN, order number, and &quot;read file&quot;. &#xA0;Once we receive all of these, we will get the files over to tuning and have the credits added to your MPVI</li><li>At this point, you can reinstall the factory ECM to continue to use the vehicle in stock form. &#xA0;[DO NOT REMOVE EMISSIONS YET]</li></ol>Once Tuner Depot receives the files and information above, we will get the tune created within 3-5 business days and send it back to you. Do not remove any emissions systems until the delete tune is loaded, if you remove the emissions while the factory tune is loaded you will have emissions-related messages displayed on your dash and will need to reinstall the emissions to remove these messages. We are not responsible for these error messages and cannot offer support for this particular issue.&#xA0;<hr><h2 id="once-you-have-the-files-continue-with-the-steps-below">Once you have the files, continue with the steps below:</h2>11. Install the new ECM again if you reinstalled the original ECM after completing step 9 above, open VCM Editor, connect the MPVI3 to the laptop (not the truck), and use VCM editor to first resync the MPVI interface (Help &gt; Resync Interface)12. Make sure a tune file is not loaded by closing the file using the Folder icon on the top left menu bar13. Open one of the tune files we sent you (crtl+O) [either VATS on or off]. &#xA0;Now connect the MPVI to the OBD port14. Click Write Vehicle - change the option to &quot;Write entire&quot; instead of &quot;Write calibration&quot; and confirm15. Turn the ignition off16. If you have a TCM tune, install it now using the same process, if not start the truck and go through the crank relearn procedure:A)Start the engine and let the engine coolant temperature heat up to above 170&#xB0;F (This can take quite a while so be patient as not getting to the proper temp will cause this to fail)B) Use VCM Scanner to start the crank relearn. &#xA0;(Controls and special functions &gt; Crank relearnC) Gradually rev up the engine until the fuel cutoff (4000-5000 RPM) and release. Let the engine rev down to idle and then turn off the ignition for at least 15 seconds. Turn the ignition back on and now the crank not learned&quot; error should now be gone.&#xA0;17. Now with the engine off &amp; disconnect the battery ground wires then proceed to remove the emissions equipment. &#xA0;It&apos;s very important to remove the ground cables before unplugging the NOX sensors and DEF tank.18. Install the CAN plugs carefully, having these not seated correctly can cause all sorts of issues so make sure they are fully seated. &#xA0;These connections require proper resistance so it&apos;s required to use dielectric grease in all connections. &#xA0;Even open connectors should have dielectric grease and be taped up to keep them clean and dry.19. When finished removing parts, reconnect the battery grounds and start the truck. &#xA0;If you followed these instructions you should not have any emissions codes or CELs.Do not unplug the throttle valve<hr>Please Note:&#xA0;ALWAYS use a battery charger capable of supplying a STEADY 10 AMPs or more.<hr>When opening VCM software, it may open the last file used, always close the file when opening VCM software (top left Folder icon)Sometimes the VIN does not register properly, if you are finished tuning and your VIN is not showing up you can use VCM Scanner to change the VIN, USE ALL CAPS. (Vehicle &gt; Controls and special functions &gt; System &gt; Change VIN). &#xA0;If this still fails go back to VCM Scanner, select &quot;Vehicle&quot; from the top menu bar then &quot;Diagnostics&quot; then &quot;Clear DTCs&quot;, and clear them even if there aren&apos;t any.The current VCM Suite Beta software requires a certain version of .NET, if you get errors when working with the software, check your .NET version or update it from the&#xA0;<a href="https://www.hptuners.com/downloads/" style=" text-decoration: none;">HP Tuners Downloads section</a> (under the link to the BETA software)<hr>Always connect the MPV device to the computer before the truckDue to our current tuning demand, it will take 1-3 business days from receiving your base files to the time we send you the modified file back. &#xA0;Be prepared for this, if you are a shop installing this for a customer we highly recommend you book two appointments, one to perform the ECM swap and retrieve the info log and read the file needed for tuning. &#xA0;Then another one to load the tune and carry out the rest of the parts installation.&#xA0;<hr>If emissions were unplugged before tuning, you will likely get a Service Emissions message on the dash. &#xA0;If the DEF tank was low when you started, you will likely get Low DEF light on the dash after tuned, to avoid this make sure the DEF tank is at least 1/4 full. &#xA0; On 17-19 model years make sure the soot levels are below 70%, if soot levels are above 70% you will need to do a force regen before tuning.<hr>Our Tuning price does not cover any revisions needed due to customers sending the wrong files. The read file and info log are to be taken with the NEW ECM, if you do not follow these instructions and read the factory ECM the tune will only work on that ECM and you will either need to send it in for unlocking or purchase another tune so be sure you follow these instructions exactly, if you&apos;ve made a mistake reach out to us before sending any files<hr>Tips:How to remove ECM<a href="https://youtu.be/_dXmHiBgRoU" rel="noopener noreferrer" target="_blank" style=" text-decoration: none;">Everything you need to know about HP Tuner&apos;s ECM</a><a href="https://youtu.be/_dXmHiBgRoU" rel="noopener noreferrer" target="_blank" style=" text-decoration: none;">&#xA0;</a>How to obtain Info Log<a href="https://youtu.be/bSgz3OiChQI?t=245" rel="noopener noreferrer" target="_blank" style=" text-decoration: none !important;">How to use the SOTF function</a>

[INSTRUCTIONS] How to Swap a NEW unlocked ECM - L5P AIO Delete Kit w/ ECM

Use the guides below to complete the read and write process needed for tuning. 📘 Download READ Guide. 🛠️ Download WRITE Guide. Helpful Tips:. Everything you need to know about HP Tuner's ECM. How to obtain Info Log. How to use the SOTF function

<h2 id="isPasted">READ EVERY STEP BEFORE YOU MAKE ANY MODIFICATIONS TO YOUR TRUCK.</h2><hr><h3 id="important-starting-requirements">Important Starting Requirements</h3><ul><li>You do NOT need the TDN app &#x2014; follow the instructions below.</li><li>All emissions equipment must be installed, functioning, and free of codes or errors.</li><li>Ensure the DEF level is not low.</li><li>For 2017&#x2013;2019 models, soot level must be below 70% before beginning.</li></ul><hr><h3 id="before-you-begin">Before You Begin</h3><ul><li>The tuning process cannot start until your order has been delivered.</li><li>You will need to install VCM Suite BETA software.</li><li>Always confirm you have the latest BETA version every time you open the software&#x2014;updates are frequent.</li><li>After installing the software, use our guides to gather the files required for us to build your tune.</li></ul><h2 id="required-guides">Required Guides</h2>Use the guides below to complete the read and write process needed for tuning.<a href="https://cdn.shopify.com/s/files/1/0403/6005/0839/files/Read_L5P_Instructions.pdf?v=1763577124" target="_blank" style=" text-decoration: none;">&#xA0;&#x1F4D8; Download READ Guide&#xA0;</a><a href="https://cdn.shopify.com/s/files/1/0403/6005/0839/files/Write_L5P_instructions.pdf?v=1763577124" target="_blank" style=" text-decoration: none;">&#xA0;&#x1F6E0;&#xFE0F; Download WRITE Guide&#xA0;</a><hr><h2 id="notes--warnings">Notes &amp; Warnings:&#xA0;</h2><ul><li>Always use a battery charger capable of supplying a STEADY 10 AMPs or more.</li><li>When opening VCM software, it may open the last used file&#xA0;</li><li>Always close the file when opening VCM software (top left Folder icon)</li><li>The current VCM Suite Beta software requires a certain version of .NET.&#xA0;</li><li>If you receive software errors, verify or update your .NET installation via the HP Tuners Downloads page (under the BETA software link).</li><li>If emissions were unplugged before tuning, you will likely get a Service Emissions message on the dash. &#xA0;</li><li>If the DEF tank was low at the start, you may see a Low DEF message after tuning.</li><li>To avoid this:<ul><li>Keep DEF at least &#xBC; full</li><li>Ensure soot is below 70% on 2017&#x2013;2019 models</li><li>If soot exceeds 70%, perform a forced regen before tuning</li></ul></li></ul><hr>Helpful Tips:<a href="https://youtu.be/_dXmHiBgRoU" style=" text-decoration: none;">Everything you need to know about HP Tuner&apos;s ECM&#xA0;</a><a href="https://www.hptuners.com/documentation/" rel="noopener noreferrer" target="_blank" style=" text-decoration: none;">How to obtain Info Log</a><a href="https://youtu.be/bSgz3OiChQI?t=245" rel="noopener noreferrer" target="_blank" style=" text-decoration: none !important;">How to use the SOTF function</a>

[INSTRUCTIONS] How to unlock & Tune your FACTORY ECM -  L5P AIO Delete Kit

Follow these instructions to perform an ECM or TCM swap. This will copy critical data over from the stock TCM to the new one, it will not change the software or segment versions on the new TCM. We will be referring to the TCM here but you will follow

Follow these instructions to perform an ECM or TCM swap. This will copy critical data over from the stock TCM to the new one, it will not change the software or segment versions on the new TCM.We will be referring to the TCM here but you will follow the same instructions to perform a TCM swap, just select ECM instead of TCM. 1) Connect VCM Scanner to the vehicle with the stock TCM installeda. Go to &#x201C;Vehicle Controls &amp; Special Functions&#x201D;b. Click &#x201C;Replace TCM&#x201D; to start the function (located under System -&gt; General)c. Follow the prompts to complete the Replace TCM process for the stock TCM2) When prompted, replace the stock TCM with the HP Tuners unlocked one3) Connect VCM Scanner to the vehicle with the unlocked TCM installeda. Go to &#x201C;Vehicle Controls &amp; Special Functions&#x201D;b. Click &#x201C;Replace TCM&#x201D; to start the function (located under System -&gt; General)c. Follow the prompts to complete the Replace TCM process for the unlocked TCM4) Download the TCM read from the unlocked TCM and save an info log.5) Send us the TCM read from the new unlocked TCM along with an info log.&#xA0; Depending on the software/segment version that is on the unlocked TCM the truck may have shifting issues with the unlocked TCM installed. &#xA0;We suggest that you drive the truck (down the driveway or block will be enough) and if the truck shifts rough you will need to reinstall the factory TCM until you receive the TCM tune from us. &#xA0;If the truck does not shift rough you can leave the unlocked TCM installed.

Installing A New Unlocked TCM

The L5P CAN plugs are used to keep the CAN network functional after removing the emissions equipment.  These CAN plugs use very thin terminals to match the factory harness and require extreme care to be taken when installing them. Any time the CAN pl

The L5P CAN plugs are used to keep the CAN network functional after removing the emissions equipment. &#xA0;These CAN plugs use very thin terminals to match the factory harness and require extreme care to be taken when installing them.&#xA0;Any time the CAN plugs are installed or removed, the batteries must be disconnected to avoid CAN communication codes.&#xA0;We recommend ensuring the contacts on the truck&apos;s connectors are completely clean, using Electrical Contact Cleaner is advised as is using Dielectric Grease when installing them. &#xA0;Once you have your SOTF tune flashed on, you can save some potential headaches by first installing the CAN plugs and then reconnecting the batteries and scanning for codes, this way if there are issues with the connection, you will still have your emissions installed to clear the codes. The black 6-pin plugs are used to replace the NOx modules that are removed with the sensors when removing the factory exhaust, the 2017-2019 models will use 3 NOx plugs, and the 2020+ will use two.&#xA0;The larger 16-pin (2017-2019) or 30-pin (2020+) CAN plugs replace the DEF connector. &#xA0;Their only purpose is to keep the CAN line connected with the factory modules removed and can be substituted with the factory modules for testing, the DEF connector can be left plugged in without issue, and the NOx modules can be left plugged in but the sensors will likely fail after some time.&#xA0; You will spot the NOx modules as you are removing the exhaust, otherwise follow the sensors from the exhaust to the module which will look like this: <img src="https://attachments.gorgias.help/vw7l/hc/kaog/4ed780cd-890f-4f5a-a0b4-fffe0ca103dc-340c0bd9-e59b-4b00-8e39-1f4035e406e0.png" style="width: 300px;" class="fr-fic fr-dib">You will install the NOx CAN plug on the harness that was plugged into the connector seen on the left side of the module pictured above. One of these modules will be located in the engine bay, near the driver-side corner of the firewall as seen below:<img src="https://attachments.gorgias.help/vw7l/hc/kaog/17-19%20ebay%202-bcf7ce95-8dbc-4497-bd8d-b6fe99f1078d.jpg" style="width: 300px;" class="fr-fic fr-dib hoverZoomLink">^2017-2019^<img src="https://attachments.gorgias.help/vw7l/hc/kaog/2020%20ebay-b641346c-84f9-4ba1-9627-4a7684981bbd.jpg" style="width: 300px;" class="fr-fic fr-dib">^2020+^ The remaining modules are located underneath the truck, the DEF connector will be found on the passenger side frame rail on the 2017-2019 models and the driver side frame rail on the 2020+:<img src="https://attachments.gorgias.help/vw7l/hc/kaog/17-19%20def-1d739771-c6d0-420b-b010-9ee90662d437.jpeg" style="width: 300px;" class="fr-fic fr-dib">^2017-2019^<img src="https://attachments.gorgias.help/vw7l/hc/kaog/20%20def-1065ec8b-57f4-4731-a929-8ff218fd7093.jpg" style="width: 300px;" class="fr-fic fr-dib">^2020+^ <img src="https://attachments.gorgias.help/vw7l/hc/kaog/nox-57b3b87a-ffb8-487d-ad25-8608c6b32988.jpg" style="width: 300px;" class="fr-fic fr-dib"><img src="https://attachments.gorgias.help/vw7l/hc/kaog/20%20nox-1bae85f8-180d-41ba-b05e-3096e27d0193.jpg" style="width: 300px;" class="fr-fic fr-dib hoverZoomLink"><img src="https://attachments.gorgias.help/vw7l/hc/kaog/17-19%20nox-3686dee4-de97-4973-abdf-15f81699688e.jpeg" style="width: 300px;" class="fr-fic fr-dib"><img src="https://attachments.gorgias.help/vw7l/hc/kaog/2020%20nox-4aebdb9c-8767-4ad4-ad40-2315ba8f21d0.jpg" style="width: 300px;" class="fr-fic fr-dib">

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2017-2025 Duramax 6.6L L5P [HP Tuners Tuning]

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