EL-50448 OEC-T5 TPMS Relearn Tool. 1 x EL-50448 TPMS Relearn Tool | 1 x Detailed User Manual. Super EL-50448 Upgraded TPMS Relearn Tool. Fits 100+ GM vehicles, compatible with more models and years than standard tools, works with 315/433MHz TPMS systems.
