A VW usa por padrão esse protocolo OBD-2 ISO 14230-4 (ISO-9141-2, KWP2000) que serve também para os veículos: Alfa Romeo, Audi, BMW, Citroen, Fiat, Honda, Hyundai, Jaguar (X300, XK), Jeep desde 2004, Kia, Land Rover, Mazda, Mercedes, Mitsubishi, Nissan, Peugeot, Renault, Saab, Skoda, Subaru, Toyota, Vauxhall, Volkswagen (VW) desde 2001, Volvo desde 2004.
OBD-2 J1850 PWM, J1850 VPW:
General Motors and Chrysler vehicles, J1850 PWM exists in Ford models to 2003 with EEC-V system, Ford Cougar (all UK models), Ford Puma, Ford Fiesta Zetec (models to 2003), Ford Mondeo Zetec (models to 2003), Ford Focus (models to 2003), newer Jaguar S-Type and Jaguar X-Type and pre 2004 Mazdas vehicles.