Method and device for data transfer in a vehicle

摘要

The method involves preventing data transmission between at least one separate part (6) of the network and the remainder of the network (5) if at least one component in the motor vehicle is switched off. Data transmission between at least one separate point in the network and the remainder of the network is prevented if the ignition of the motor vehicle is switched off. Independent claims are also included for the following: (a) a controller for operating a data transmission network in motor vehicle (b) and a motor vehicle with a data transmission network.