• Programmed trailer brake control module 20964299 for 2013-2014 GM Sierra and Silverado trucks, showing the main electrical connector.
  • 2013-2014 GM Trailer Brake Control Module 20964299, located on the driver side frame rail.
  • Programmed trailer brake control module 20964299 for a 2013-2014 Silverado or Sierra 2500, showing the main electrical connector.
  • Pre-programmed 2013-2014 Sierra Silverado Trailer Brake Control Module mounted on a clean white background.
  • Programmed 20850923 trailer brake control module for 2013-2014 GM Sierra and Silverado trucks.
  • Pre-programmed 2013 Suburban 2500 Trailer Brake Control Module mounted on a clean white background.
  • 2013-2014 Silverado Sierra Trailer Brake Control Module, part number 20850923, ready for installation on the frame.
  • 2013-2014 Sierra and Silverado Trailer Brake Control Module 20850923, pre-programmed and ready for installation.
  • Pre-programmed 2013-2014 Silverado 3500 trailer brake control module, part number 20850923, ready for installation.
  • Side view of the pre-programmed 2015-2016 Sierra 1500 TCM 24276411 showing the main electrical connector.
  • 2015-2017 Escalade ESV Programmed TCM, part number 24276411, showing connectors.
  • Pre-programmed 24276411 Transmission Control Module for a 2015-2017 Cadillac Escalade, ready for installation.
  • A programmed 24276411 TCM for GM vehicles, showing the main electrical connector and part number label.
  • A professionally programmed 24276411 TCM for GM vehicles, shown on a clean white background.
  • Programmed GM 24276411 TCM with connector ports visible, for Silverado and Sierra trucks.
  • Programmed 24276411 Transmission Control Module (TCM) for GM trucks and SUVs, front view showing connectors.
  • Pre-programmed 2015-2016 Sierra 2500 TCM 24276411 showing the main connector ports and mounting points.
  • Programmed 24276411 Transmission Control Module for 2015-2016 Sierra 3500, front view showing connectors.
  • A pre-programmed 24276411 Transmission Control Module for a 2015-2016 GMC Sierra Denali 1500, ready for installation.
  • Programmed 2015-2016 Sierra 2500 TCM, part number 24276411, ready for installation.

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