Extensive CompatibilityAfter the upgrade, the compatibility is wider and more accurate! iCarsoft HD V3.0 (Enhance Version) heavy duty truck scanner supports major truck models with protocols ( J1939(CAN), J1708(RS485), J1578(RS485)) and car/Mini Vans/ Light Duty Truck models with protocols (ISO15765-CAN, J1850-PWM, J1850-VPW, ISO9141, KWP2000). Do all OBD trucks and cars with OBD16-9 adaptor & OBD16 & OBD16-6 adaptor, such as for Cummins, for Caterpillar, for Detroit, for Perkins, for Maxxforce, for International, for Peterbilt, for Ford, for Class 4-Class 8 trucks, etc. Multi-System DiagnosticiCarsoft HD V3.0 (Enhance Version) Diesel Scanner supports multi-system scans of heavy trucks, such as Engine, ABS, Transmission, lnstrument Panel, Braking System, Suspension, ESP, EPS, Fuel System, etc, this truck tool does a deep diagnostic to the system, you can get deep analysis data about the system and do some repairs by yourself, saving much time and money. Enhanced Full