An innovative tool for performing the diagnostic analysis of electronic power steering units including electric power steering racks, electric steering columns and electro-hydraulic steering pumps. The device is built to simulate the real vehicle conditions even with the road load thus allowing you to test hundreds of different EPS and EHPS steering units without having a single vehicle in the garage. User friendly software interface grants the easy-of-use. OBD II port allows connection of external vehicle diagnostics tools for in-depth error detection. Flexi-arm mechanism with automatic motor allows easy continuous pinion rotation testing of different electric steering racks. A range of mounting tools allows easy mounting of different electric steering columns. Developed for remanufacturing lines.