Diesel Decoder is a heavy vehicle and equipment diagnostics tool for reading Diagnostic Trouble Codes live data and vehicle information using the blue-tooth Diesel Laptops Diesel Decoder hardware (required). The app can also perform Bi-directional commands such as DPF regens on all medium and heavy commercial vehicles. Diesel Decoder also allows the user to generate Vehicle Health reports that may be viewed printed or viewed on the Diesel Health platform. Visit www.diesellaptops.com/products/diesel-decoder?_pos=4&_sid=743c893bb&_ss=r for more information or to purchase the needed hardware.