Dorman 601-226 Trailer Brake Control Module Circuit Board

Trailer Brake Control Board for GM Trucks

Dorman 601-226 is a trailer brake control module circuit board replacement for select General Motors trucks and SUVs. It addresses a failed internal board without requiring replacement of the entire trailer brake control module, helping restore trailer brake control function at the component level.

Built with copper and fiber glass construction, this green circuit board measures 1.76 inches long by 1.6 inches wide and uses an 8-pin layout. It is a direct-fit OE FIX solution for applications such as the 2007-2014 Chevrolet Silverado 1500, 2007-2014 GMC Sierra 2500 HD, and 2007-2014 Cadillac Escalade.

• Copper and fiber glass construction for circuit board durability
• 8-pin design for the specified trailer brake control module application
• Direct replacement for the failed circuit board, not the full module
• OE FIX solution for select 2007-2014 Cadillac, Chevrolet, and GMC vehicles
• Cross-reference: GM 15823719 for the same application

Application Details

Compatible With 2007-2014 Cadillac Escalade, N/A; 2007-2014 Cadillac Escalade ESV, N/A; 2007-2013 Cadillac Escalade EXT, N/A; 2007-2014 Chevrolet Cheyenne, N/A; 2007-2013 Chevrolet Avalanche, N/A; 2007-2014 Chevrolet Silverado 1500, N/A; 2007-2014 Chevrolet Silverado 2500, N/A; 2007-2014 Chevrolet Silverado 2500 HD, N/A; 2007-2014 Chevrolet Silverado 3500 HD, N/A; 2007-2013 Chevrolet Silverado 3500, N/A; 2007-2014 GMC Sierra, N/A; 2007-2014 GMC Sierra 1500, N/A; 2007-2014 GMC Sierra 2500 HD, N/A; 2007-2014 GMC Sierra 3500 HD, N/A.

What It Helps Fix

• Trailer brake controller inoperative due to a failed circuit board
• Intermittent trailer brake output on GM truck applications
• Loss of trailer brake control function without replacing the full module
• Electrical faults traced to the internal board in the control module
• Repair needs on 2007-2014 Chevrolet Silverado and GMC Sierra models

Installation Notes

Verify the original module part number and vehicle application before installation. This board is intended for the specified trailer brake control module circuit board repair and should be installed using proper electronic handling practices to avoid static or connector damage. Confirm pin count, board dimensions, and connector alignment during service.

Quality Assurance

Dorman OE FIX parts are engineered to address common failure points by replacing only the failed component when the original design allows it. Part number 601-226 is built as a direct replacement circuit board for select GM trailer brake control modules.