This part of Road vehicles – Open diagnostic data exchange (ODX) - specifies the concept of utilizing a new industry standard diagnostic format to make diagnostic data stream information available to diagnostic tool application manufacturer to simplify the support of the aftermarket automotive service industry. The ODX modelled diagnostic data are compatible to the software requirements of the Modular Vehicle CommunicationInterface (ISO 22900-2 and -3). The ODX modelled diagnostic data will enable a MVCI device to communicate with the vehicle (ECU(s)) and interpret the diagnostic data contained in the messages exchanged between the external test equipment a