A plug module includes a sensor device and a plug housing, the plug housing including a socket, an inner side of which includes a receptacle area for accommodating the sensor device, and a cover that is connected to the socket with the aid of a fastening device, where a plurality of electrically conductive straight contact pins are introduced into the cover in such a way that (a) particular first ends of the contact pins protrude into an internal volume of the plug housing and are situated above the receptacle area of the socket, and (b) particular second ends of the contact pins are situated in the area of a connector of the cover.