**When checking out please include your MPVI2 serial number and verification code**

HP Tuners uses a credit-based licensing system. Credits are used as currency to purchase licenses for the different modules in a vehicle.
Licensing a module gives you the ability to tune it. The number of credits necessary to purchase a license varies depending on the vehicle.
Many vehicles are 2 credits for licensing the ECM/PCM, and may have additional options such as a TCM, FICM, or CCM.
Vehicle licenses are tied to the VIN, PCM OS, and PCM Serial Number. If those values don’t change, the vehicle will remain licensed on that
interface and can be tuned indefinitely. One interface can store thousands of licenses and can be used to tune all the vehicles we support.
Once you purchase an MPVI2 you can read, edit, and save files without purchasing credits. You don’t have to