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...
TPMS Auto-Learning
For early-model vehicles equipped with direct TPMS systems, German makes (BMW, Mercedes, Volkswagen & their subsidiaries) came equipped with automatic TPMS learning, along with Land Rover / Jaguar and Volvo. The cars learn new sensors automatically while driving,...
