BestKeys TA-K Blank Transponder This is a brand new uncut transponder key for 2007 2008 2009 2010 2011 2012 2013 Chevy Tahoe We will provide a link to our website with Free Do-It-Yourself programming instructions with your order. 1 original key required in order to do self-programming. Otherwise you will need to get this key programmed by an automotive locksmith or dealership. This product is fully tested to guarantee its functionality. Cross Reference part numbers: B111-PT, GMX-100C, 15871576, 12451816, 12450813, 15289761, 15824470, 15921351, 15282677, 15296738, 693126, 692139, 5904001, 692933, 692932, 692931, 593254, 693121, 693127 Complete working key with transponder chip included