CONTROL DEVICE FOR A TRAILER COUPLING AND TRAILER COUPLING EQUIPPED WITH SAME

The invention relates to a trailer coupling (10a-10d) with a control device (50a-50d) and a control device (50a-50d) for a trailer coupling (10a-10d) for a towing vehicle (12), in particular a motor car, wherein the trailer coupling (10a-10d) has a coupling arm (13a-13d) for attaching a trailer (17) or for holding a load carrier (90), wherein the control device (50a-50d) has a reading device (38) for communication with an RFID transponder (39a-39d) arranged in particular on a coupling of the trailer (17) or of the load carrier (90), in which at least one identification code (70-73) is stored, and evaluation means (67) for evaluating the at least one identification code.