GM Diesel CAN - Module for reading and writing through OBD2 connector by CAN-bus ECUs used in diesel GM vehicles (Opel, Chevrolet, Saab, Holden).
GM ACDelco Petrol Gen1 CAN - Module for reading and writing through OBD2 connector by CAN-bus ACDelco Gen1 ECUs used in petrol GM vehicles.
GM ACDelco Petrol Gen2 CAN - Module for reading and writing through OBD2 by CAN-bus ACDelco Gen2 ECUs used in petrol GM vehicles.