Method for starting function of control device of motor car, involves refusing component in composite to start function, when identifier received by other components is not matched with identifier provided to composite component

摘要

The method involves transmitting (S2) an identifier to other components by a component in a composite. The identifier provided by component in the composite is compared (S7) with the identifier received by the other components. The component in the composite is refused (S10) to start the function when the received identifier is not matched with the provided identifier. An independent claim is included for a component for vehicle.