It is designed to work with specific hardware interfaces, often Chinese-made multi-protocol programmers such as:
For a mechanic in a developing country or an independent shop owner operating on thin margins, the cost of an official diagnostic setup can run into thousands of dollars. An "unlocked" software package that costs a fraction of the price—or is shared freely on a forum—is an incredibly tempting proposition. It democratizes the technology, putting dealer-level power into the hands of the independent mechanic.
: Added DPF, EGR, TVA, and Lambda solutions for Fiat DCM3.5 and Peugeot DCM 6.2.