The XTool HDGURU offers heavy duty vehicle diagnostics via standard OBD-II protocols, with over 60 bi-directional tests, more than 35 Cummins dedicated functions, and advanced feature and parameter programming across over 45 applications. It features a streamlined Linux system and a 5.45" display. The HDGURU can provide DTC scanning and clearing, ECU information, live data, freeze frame, and more for Cummins ECUS via OBD-II and 6+9-pin Cummins diagnostic connectors. The tool can also perform various maintenance functions, including special functions, feature activations, and parameter modifications for all major Cummins ECUs. The HDGURU has 35GB of storage and a 3150mAh battery.