TD3A II, Transponder Detector Detects the presence of a transponder in the head of automotive key. Compare
B111-PT Equivalent to GMX-100C, BB112-PT, C21459, B107-CP, B112-CP-PHT, TP12GM-37.P, 5903089.Fits Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saturn and Suzuki. Compare
