Abstract: The present invention refers to a method for configuring a trailer detection system (10), wherein a trailer (12) is connected to a vehicle (14) via a hitch (16), and wherein the trailer (12) comprises the trailer detection system (10) and a computing system (18), comprising the following steps: Determining, by a vehicle-integrated computing unit (20), that the trailer (12) is connected to the vehicle (14) via the hitch (16) for data transmission; Transmitting information about the hitch (16) from the computing unit (20) of the vehicle (14) to the computing system (18) of the trailer (12); Determining configuration data of the trailer detection system (10) by the computing system (18) of the trailer (12), based on the information about the hitch (16); Configuring the trailer detection system (10) on the basis of the determined configuration data, by the computing system (18) of the trailer (12).