TRANSMISSION DEVICE FOR AN ELECTRICALLY DRIVEABLE VEHICLE, DRIVE DEVICE FOR AN ELECTRICALLY DRIVEABLE VEHICLE, AND VEHICLE

A transmission device (2) for an electrically driveable vehicle (), comprising a transmission element (), a parking lock (), by means of which the transmission element () can be blocked and which has a parking lock actuator (), a transmission housing (), which encloses the transmission element () and the parking lock (), a connection apparatus () with a cable arrangement () extending in the transmission housing () and a plug connector by which a first end of the cable arrangement () can be contacted from the exterior of the transmission housing (), wherein a second end of the cable arrangement () is electrically connected to the parking lock actuator (), and a pressure equalization apparatus, which runs through the plug connector () of the connection apparatus () and forms a gas-permeable connection between the interior of the parking lock actuator () and the exterior of the transmission housing ().