Launch X431 Diagnostic tool only for small cars, can not work on trucks.buy Launch X431 HD Module Specially for Heavy Duty Truck Diagnosis While the X431 HD Module is specifically designed to diagnose diesel and gas fueled heavy duty vehicle models of 12V & 24V voltage. But it need work with Launch X431 V+, Launch X431 PRO 3, and Launch X431 PAD II together(and it also works with other Andorid tablets, witch comes with ROM 4G, RAM 8G.). The X431 HD Heavy Duty Module includes hardware, software and the connector cables for trucks What truck vehicles does X431 HD Truck adapter support for? Europe MERCEDES-BENZ MAN VOLVO SCANIA IVECO DAF RENAULT USA FREIGHTLINER INTERNATIONAL KENWORTH PETERBILT STERLING WESTERN STAR MACK DETROIT ENGINE CUMMINS ENGINE Asia HINO FUSO ISUZU UD HYUNDAI Chinese Heavy duty Truck X-431 Heavy Duty HD Truck Diagnostic Model Feature: Wireless Bluetooth Diagnosis Host machine and diagnostic connector adopt Bluetooth connection, making diagnosis more convenient. Support various car models 34 car model software, support more than 60 car models. Moreover, the software is being continuously developed. Industrial shockproof design Industrial shockproof design is perfect for the working environment in repair shops. Various configurations are available for selection Suppose…