The Bosch ESI[truck] 2021/4 Software Update offers additional vehicle coverage including new makes, models, wiring diagrams, fault codes, electronic control systems, and diagnostic capabilities. A new feature included in the update, Search Server for New System Variants, connects to the Bosch server to search for new system variants if the vehicle (or system) users are connected to is not fully recognized by the ESI Truck system. If the server has an update for the particular system, it will be downloaded to the tool. Additionally, VIN and mileage data will automatically be populated if the connected vehicle provides this information in the available data stream.