Universal CreditsUniversal Credits 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