Trailer, Brake, Control, Module, Modules, Controls, Brakes, TrailersBrake ControllerSaves money – this direct-replacement trailer brake control module circuit board reduces repair cost by eliminating the need to replace entire failed module assemblyTRAILER BRAKE CONTROL SWITCH – CIRCUIT BOARDCadillac 2017-14, Chevrolet 2021-14, GMC 2021-14Seamless installation – designed to precise specifications for an exact fit and performance that matches the original equipment circuit boardTrailer Brake SwitchTrailer Brake Control Switch – Circuit BoardRestores functionality – engineered to help restore proper trailer brake performance when the original circuit board has failed from moisture infiltration or internal component damageTrustworthy quality – engineered in the United States and backed by decades of aftermarket experienceWhen 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.