This is the step-by-step instruction page for how to read and write utilizing the OBD2 tuning device, the VCM Editor, and your Windows 10 laptop.

OBD2 Flash Tuning Interface Read & Write Instructions (PC Version)

Amplify your 2017+ Duramax L5P's performance with HP Tuners Tuning from Tuner Depot. Discover the edge that expert tuning can bring to your ride.

2017-2023 Duramax 6.6L L5P [HP Tuners Tuning]

Amplify your 2016+ Duramax LWN's performance with HP Tuners Tuning from Tuner Depot. Discover the edge that expert tuning can bring to your ride.

2016-2022 2.8L Duramax LWN

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The collection of instructions for the OBDii Flash Tuning Interface on TunerDepot.com