Use the Force Touch, Luke! Oh, doesn't work any more?.
You may need this replacement Force Touch trackpad..
This is a replacement trackpad for the 12-inch MacBook Retina.
All parts tested and working just like they were when you bought your MacBook.
<li class="maclist-li"><h4>Compatible with : </h4>
<ul>
Retina 12 (A1534, Early 2016/Mid 2017) (Space Gray)