TPMS Valve Styles
Early TPMS sensors came with non-replaceable metal valves. Whenever a tire is serviced, a new service kit should be installed onto the valve to replace worn-out components (nut, grommet, cap & core). Later sensors came equipped with replaceable rubber valves. The...
Locked OBD Ports on Chrysler & Mercedes
Some newer Chrysler & Mercedes vehicles (model 2019-) come with increased security for their on-board diagnostic system (OBD) to prevent hacking. As a result, some scan tools aren’t able to communicate with the cars’ system for TPMS sensor-ID...
TPMS Technology
TPMS is a technology that’s constantly changing. The sensor hardware and part behavior of early systems was quite different than what’s used today. Some of the first vehicles with TPMS had sensors that were activated magnetically. Others had parts with no...
Servicing TPMS Sensors
Most OEM TPMS sensors for passenger cars & light trucks are one of two types – clamp-in and snap-in. Clamp-in sensors have metal valves, snap-ins utilize rubber ones. While the sensors are attached to the valve-stem ends and stay inside the tires, the valves...
