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.

Trailer Brake Control Switch - Circuit Board 601-237 Features:

• Fits 2014-2017 Cadillac; 2014-2021 Chevrolet; 2014-2021 GMC; 2019-2023 International
• Seamless installation — designed to precise specifications for an exact fit and performance that matches the original equipment circuit board
• Restores functionality — engineered to help restore proper trailer brake performance when the original circuit board has failed from moisture infiltration or internal component damage
• Trustworthy quality — engineered in the United States and backed by decades of aftermarket experience