ITEM NAME:EL-50448 TPMS Activation Tool OEC-T5 For universal AU resetters pressure ti I5V7 Features: Compact design makes it lightweight and portable, easy to carry. Checking the pressure.After replacing a tire or wheel speed sensor. --Make the J-46079 or Diagnostic Tool EL-50448 antenna up against the valve core position & close to the rim of the tire sidewall. 2010 Cobalt, G5 (VIN A).