TPMS reset tool for Ford F-450 F-550, 2 in 1 high accuracy1、Fitment: Replacement for Opel 2006‑2019; Replacement for Saab; Replacement for Hummer; Replacement for Saturn 2006‑2010; Replacement for Ford F‑450 F‑550 Super Duty 2008‑2015, etc. 2、2 in 1 TPMS Tool: Super EL50448 works as both EL‑50448 series and EL‑50449 replacement for Ford Series TPMS19 tire sensor reset tool. 3、Important Reset Tool: TPMS reset tool is needed after these problems solved. Low tire pressure or leakage replacement or installation of tire pressure monitoring equipment, tire replacement, sensor damage, etc. 4、Working Principle: If the air pressure does change, the sensor sends in read in mode. In this mode, the body control module assigns the sensor identification code in order to read the corresponding vehicle position after receiving the read in mode send signal. 5、Durable Material: Tire pressure activation tool is made of ABS plastic and metal material, hard, wear resistant and durable, and has long service life.