Method and apparatus for storing a wakeup information in subscribers of a CAN bus system

is provided an apparatus for connecting a subscriber station of a CAN bus, wherein the subscriber station can be replace in the active state by means of the device via the CAN bus to further subscriber stations messages according to the standard ISO 11898, wherein the subscriber station in the idle state by means of the device in reception a wakeup information can be activated, wherein the wakeup information having the structure of a cAN message in accordance with standard ISO 11898, wherein appropriate first means are provided in the apparatus to selectively evaluate the received activation information so that only when there is a predefined for the respective subscriber station or predeterminable activation information of the wake-up process is initiated, which is characterized in that memory means are provided in the device in order in the case that the wake-up process is initiated to store the purpose solved wakeup information in whole or in part.