This GDP MPVI3 upgrade is a great choice for 2017 - 2023 GMC/Chevrolet HD trucks with 6.6L Duramax engines. It allows you to upgrade from a single tune to multi - tune or SOTF. Note that these are just tune files. You'll need an HP MPVI3 Device and credits. Part Number: GDP403UP.

Using this product is simple. First, make sure you have an HP MPVI3 Device and the necessary credits. Once you've got those, you can start the upgrade process from single tune to multi - tune or SOTF. When using, always follow the instructions provided with your HP MPVI3 Device. For maintenance, keep the device in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. If you run into any issues, refer to the user manual or contact customer support.