ELECTRICAL AND ELECTRONIC DEVICES FOR SELF DIAGNOSTIC AND REMOTE MAINTENANCE SYSTEMS IN MOTOR VEHICLES AND RAIL VEHICLES, NAMELY, CONTROLLER SYSTEMS COMPRISED OF RADIO MODULES TO CONTACT AND TRANSFER DATA TO CUSTOMER CENTERS, SERVICE CENTERS AND MANUFACTURERS IN THE EVENT OF A MALFUNCTION OR ACCIDENT, GLOBAL POSITIONING MODULES TO DETERMINE VEHICLE LOCATION IN THE EVENT OF AN ACCIDENT OR BREAKDOWN, AND CONTROLLER AREA NETWORK BUSSES FOR ACCESSING, COLLECTING AND TRANSFERRING DATA FROM VEHICLE...