Yet another pickup truck solution we’re releasing is a new transmission control module for Chevrolet Silverado and GMC Sierra pickup trucks. Dorman transmission control modules are completely remanufactured and thoroughly tested. A process that’s designed to meet product standards and quality. To ensure the ability to shift the vehicle in and out of gear without hesitation or rough shifting. We’ve used a higher grade of electrical components on the internal circuit board to withstand extreme heat and cold. This part is exclusive to the aftermarket and requires no additional programming or special tools during installation.