• VIN-programmed 2011-2012 Yukon XL TBCM, part 20791897. Shows the module and connectors, a direct-fit solution to clear trailer brake system errors.
  • 2011-2012 Yukon XL TBCM Trailer Brake Control Module 20791897. Shows mounting points and electrical connector for easy plug-and-play installation.
  • Programmed 2011-2012 Suburban 2500 TBCM with part number 20791897 visible. This module fixes 'Service Trailer Brake System' warnings.
  • VIN-Programmed Trailer Brake Control Module 20791897 for a 2011-2012 Silverado TBCM. A direct-fit solution to restore safe towing and clear dash warnings.
  • Programmed 2011-2012 Silverado Trailer Brake Module 20791897. This TBCM fixes "Service Trailer Brake" warnings and ensures safe towing for GM trucks.
  • 2011-2012 GM Trailer Brake Module, part 20791897, showing the black casing and two electrical connection ports. This part fixes service trailer brake warnings.
  • Programmed 2011-2012 Sierra TBCM 20791897 for GM trucks. Replaces faulty trailer brake control module to fix warning lights and restore safe towing.
  • Programmed 2011-2012 Sierra 3500 TBCM Trailer Brake Control Module, part 20791897. A direct-fit replacement to fix trailer brake system warnings.
  • Pre-programmed 2011-2012 Sierra 2500 TBCM, part 20791897. This trailer brake control module fixes dash warnings and ensures safe towing for GM trucks.

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