Description TECH 2 is provided by GM America Company to GM maintenance station. It supports all systems diagnosing of GM vehicles. Features: Play and plug module. Large screen display, can set light and display diagnostic curve and the working parameters of 9 sensors or actuators. Curve display function that display the captured small trouble. Performance: It has reprogramming function, follow up auto and the diagnostic equipment developing closely. Diagnoses engine, chassis and body with bilateral control function. Play pack stored trouble code, freeze frame data and trouble record. Watch vehicle diagnosing states. Support all general car series OBD TECH 2 main unit is compatible with GM, Shanghai GM, OPEL, SAAB, ISUZU original software. Testable system: Power train system, body control system, air conditioning, instrument panel, personalities system, Anti-Theft control system, doors control system, remote control system.