KNORR BREMSE diagnostic - professional diagnostic device for trailers and semi-trailers brake system diagnosis. This tool will help you: Quickly and efficiently determine the fault display system parameters. Reduce downtime and repair costs KNORR - BREMSE diagnostic features: • Error scanning; • Deleting error codes; • A comprehensive system of diagnosis; • Connecting the brake modules; Set include: - KNORR-BREMSE UDIF interface - cables