MPVI covers older Cummins and works better on older ECM's & TCM's on TDN (cell app)

Resources

• Full Vehicle Support List

• Getting Started with VCM Suite

• Support & Documentation

HP Tuners MPVI3 is a professional tuning interface that gives you full control over your vehicle. Read, edit, and datalog your truck using VCM Suite with advanced capabilities beyond basic flash devices.

This is built for experienced users who want full access to tuning, diagnostics, and data logging — not just plug-and-play flashing.

If you’re looking for custom tuning with support, the RTD device is the better option. If you want full control, the MPVI3 is the tool.