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If you need help getting tunes loaded to your autocal or software updates
The testing has been done over decades and millions of miles
L5P SOTF Tuning
6L L5P Duramax (E42 ECM) now using HP Tuners’ VCM Suite
and you will need an EFILive V2 or AutoCal to load the tune into your vehicle
HP Tuners MPVI4 (Includes 0 credits) 5 tune If you need help getting*MPVI4 comes with 0 credits. E41 L5P tuning requires 6 credits for ECM and 4 credits for TCM. E42 L5P tuning requires 8 credits for ECM and 4 credits for TCM. Introducing HP Tuners newest and most advanced vehicle interface. Designed for custom calibration, diagnostics, and data acquisition, MPVI4 sets the foundation for whats next.
