An innovative piece of equipment for performing the diagnostic analysis of electronic power steering system units including electric power steering racks, electric steering columns and electro-hydraulic steering pumps. The device is built to simulate the real vehicle conditions thus allowing user to test hundreds of different EPS and EHPS steering units without having a single vehicle in the garage. User friendly interface makes this tool easy-to-use for users of virtually any level of expertise. OBD II port allows connection of external vehicle diagnostics tools for in-depth error detection. Perfect for small to medium workshops.