Super EL50448 Ultra TPMS Relearn Tool Compatible With GM Series & Ford Series. OBDResource Super EL50448 Ultra – Multi-Band Signal Detector & TPMS Learning Tool. OBDResource Super EL50448 Ultra. The Super EL50448 Ultra supports TPMS learning functions on many mainstream vehicles, including those from for GM, Ford, Chrysler, Dodge, Cadillac.
