The HD CODE II boasts extensive Class 4-8 HD, medium & light duty truck and Caterpillar coverage that now includes CAT Power Equipment, CAT Construction and CAT Industrial. OBDII is also covered. With its easy to use interface and lightning fast navigation, diagnosing and repairing trucks and machinery has never been this easy and FAST!; Features and Benefits; Class 4-8 HD Truck Coverage for J1587, J1708 & J1939 Protocols.; Access Engine, Transmission & Brakes; Automatic Protocol Search; CAT 9 Caterpillar Cable; Capabilities for Caterpillar, International, Hino, Isuzu & Hybrid HD trucks; Read & Clear DTCs; View Freeze Frame Data; View Live Data; Special tests include: I/M Readiness, MIL Status, O2 Sensor Test, On-Board Monitor Test, EVAP System Test; Vehicle Information; Code Look-up; Comfortable Ergonomic Design; Easy to read Large Screen; Updates via Web; Multilingual: English, Spanish, French