• 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 GM Trailer Brake Control Module 20791897 for Silverado and Sierra, showing the main housing and electrical connection ports.
  • Programmed 20791897 Trailer Brake Control Module for 2011-2012 GM Sierra and Silverado trucks, showing the main electrical connector.
  • Pre-programmed 2011-2012 GM Trailer Brake Control Module, part number 20791897, for Silverado and Sierra HD trucks.
  • Programmed 2011-2012 GM Trailer Brake Control Module, part 20791897, for Silverado and Sierra 2500/3500.
  • Programmed trailer brake control module 20791897 for 2011-2012 Silverado and Sierra, showing the main electrical connector.
  • Pre-programmed 2011-2012 GM trailer brake control module, part number 20791897, for Silverado and Sierra trucks.
  • VIN-Programmed Trailer Brake Control Module for 2011-2012 GMC Sierra and Chevy Silverado HD trucks, part number 20791897.
  • 2011-2012 GM Trailer Brake Control Module 20791897, programmed for Sierra and Silverado, mounted on the frame.

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