When the original trailer brake control module circuit board fails on certain General Motors vehicles, the dealer solution is to replace the entire trailer brake control module assembly. This Dorman OE FIX circuit board allows the direct replacement of only the failed circuit board, saving significant repair expense. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Cadillac Escalade ESV: 2014, 2015, 2016, 2017] - [Cadillac Escalade: 2014, 2015, 2016, 2017] - [Chevrolet Cheyenne: 2015, 2016, 2017] - [Chevrolet Colorado: 2016, 2017, 2018, 2019, 2020, 2021] - [Chevrolet Silverado 1500 LD: 2019] - [Chevrolet Silverado 1500: 2015, 2016, 2017, 2018, 2019] - [Chevrolet Silverado 2500 HD: 2014, 2015, 2016, 2017, 2018, 2019] - [Chevrolet Silverado 2500: 2014, 2015, 2016, 2017, 2018] - [Chevrolet Silverado 3500 HD: 2014, 2015, 2016, 2017, 2018, 2019] - [Chevrolet Silverado 3500: 2015, 2016, 2017, 2018] - [Chevrolet Silverado 5500 HD: 2019] - [Chevrolet Suburban: 2016, 2017, 2018, 2019, 2020] - [Chevrolet Tahoe: 2016, 2017, 2018, 2019, 2020] - [GMC Canyon: 2016, 2017, 2018, 2019, 2020, 2021] - [GMC Sierra 1500 Limited: 2019] - [GMC Sierra 1500: 2015, 2016, 2017, 2018, 2019] - [GMC Sierra 2500 HD: 2014, 2015, 2016, 2017, 2018, 2019] - [GMC Sierra 3500 HD: 2014, 2015, 2016, 2017, 2018, 2019] - [GMC Sierra: 2015, 2016, 2017, 2018, 2019] - [GMC Yukon XL: 2016, 2017, 2018, 2019, 2020] - [GMC Yukon: 2016, 2017, 2018, 2019, 2020]