Diagnostic adapter for Opel with programming & code reader1、Fit for Opel Almost All Model Cars, even new cars with CAN‑BUS diagnostic functions, such as fit for Vectra‑C/Astra‑H/ Zafira‑B. 2、Allows you to read out and clear fault codes, show you real‑time data, and allow you to perform output tests. 3、Support many control units, such as engine, automatic transmission, ABS, SRS, engine cooling module, instrument panel, electronic climate control, body control unit, etc. 4、Since many pins are used in the OBD connector, the diagnostic interface can be used as a multiplexer and select the appropriate pins for communication. PIN3, PIN7, PIN8, PIN12 = Serial Link (ISO9141, KW81, KW82, KWP2000). 5、The fault code will display all available information, which is more convenient and quicker without wasting time.