YD409 TPMS Sensor Trigger Tool YD409 TPMS Sensor Trigger Tool Features: 1) Triggers all currently known TPMS sensors, activates ALL magnetic, frequency and tire deflation triggered sensors on all vehicles sold worldwide. Including 2014 Models on selected vehicles * Make-Model-Year selection ensures correct activation and avoids crosstalk. * Receives both 315MHz and 433MHz signals. *…