Important: Read all the instructions carefully before making any changes to your vehicle. Review areas that may need improvement.
Getting Started with ECM L5P Tuning
Ensure Emissions Are Operational: Before beginning, make sure all emissions systems are installed and functioning properly, without error codes or warnings. Check that the DEF level is sufficient. For 2017-2019 models, soot levels should be below 70% before proceeding with the tuning process.
Receive Your Order: Wait until your kit and all required components have arrived before starting any modifications.
Install VCM Suite BETA Software: Download and install the latest version of VCM Suite BETA on your laptop. Always confirm you have the most recent BETA version, as it updates regularly.
Note: If you encounter software errors, check your version of .NET and update it if necessary from the HP Tuners website.
Gather Necessary Files: Follow the provided guide to collect the files needed for the tuning process for ECM L5P.
Additional Notes
Use a Steady Power Supply: Ensure your battery charger provides a continuous 10 AMPs or more to avoid power fluctuations during the tuning process.
Close Open Files in VCM Software: When you open VCM Suite, it may load the last file used by default. Always close this file before proceeding (use the folder icon in the top-left corner).
Service Emissions Warning: If emissions were disconnected before tuning, you might see a "Service Emissions" message on your dashboard. If the DEF tank was low, the "Low DEF" light may also appear after tuning. To avoid this, make sure the DEF tank is at least 1/4 full. For 2017-2019 models, ensure soot levels are below 70%. If they exceed this, perform a forced regeneration before tuning.
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