The Bosch ESI (truck) 3824A Heavy Duty Scan Tool enables technicians to effectively diagnose and repair a wide range of heavy duty trucks and commercial vehicles. It includes the HDS 1000 touchscreen tablet and a 12-month license for heavy duty truck software usage—including manufacturer, engine, and system coverage—to assist technicians in navigating complex systems and reducing fleet downtime. The diagnostic capabilities account for enhanced bidirectional controls, diesel particulate filter regeneration, injector coding, and more, with extensive make, model, engine, and system coverage.