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Program for diagnosing GM vehicles using the J2534 adapter. The distribution of diagnostic packages is Chevrolet Europe (2010-2017), Opel / Vauxhall (2010-2020). For full operation, a J2534 adapter is required that supports CAN bus on 6-14, 3-11, 12-13 contacts of the OBD2 connector, as well as a single wire CAN bus on pin 1.