DPA5 Dearborn Portocol Adapter 5 Heavy Duty Truck Scanner With Bluetooth Dearborn Protocol Adapter 5 is designed to help manufacturers diagnostic the fault of trucks, trailers, buses and light commercial vehicles Dpa5 truck scanner covers multiple systems and widely used, it's user friendly.Dearborn Protocol Adapter 5 is a proferssinal tool for the maintenance of the commercial vehicle manufacturers Dpa5 heavy duty scanner covers covering all critical systems, including engines, transmissions, brake warning device, comfort, safety, emissions, air suspension, trailer and maintenance,to provide in-depth functionality for each application Dpa5 heavy duty diagnostic tool supports model such as Caterpillar/Allison/Detroit/Volvo/Perkins /Cummins/Meritor/Bendix ACom/Meritor ZF/Mack DPA5 diagnostic tool is compatible with applications that diagnose engines, transmissions, ABS, instrument panels and more