2015 GMC Sierra 1500 Transmission Controllers

GMC Sierra 1500 2015, SuperTuner™ Tuner by Accel®. ACCEL's all-new SuperTuners boost power across your engine's entire rpm range. These revolutionary handheld tuners quickly and easily reprogram your vehicle for better all-around...

GMC Sierra 1500 2015, Dashpaq+™ Programmer Kit by Superchips®. Power and cutting-edge features are now available at your fingertips for your vehicle with the Dashpaq+. Take your vehicle to the next level with impressive pre-loaded...

GMC Sierra 1500 5.3L Gas 2015, Dashpaq™ Tuner Kit by Superchips®. Power Level 1 (Performance) : 18 hp & 27 tq. Power Level 2: Heavy Tow - 12 hp & 11 tq. Power Level 3: Mileage XS Save - 8 hp & 8 tq. This dual purpose product delivers...