• Front view of a 2008-2009 Sierra 1500 TBCM, part 25907533, showing the two black electrical connectors. This module is pre-programmed to fix trailer brake errors.
  • VIN-programmed 2008-2009 Sierra Trailer Brake Module 25854535, showing the black housing and electrical connectors. A direct-fit part to fix trailer brake system errors.
  • 2008-2009 Sierra 1500 TBCM Trailer Brake Control Module, part 25788981. This VIN-programmed unit fixes 'Service Trailer Brake' errors.
  • Front view of a 2008-2009 Sierra 1500 TBCM, part 20850923, showing the black casing and main electrical connector port. This module is pre-programmed.
  • Front view of a 2008-2009 Sierra Denali TBCM, part 25907533, showing the black casing and electrical connector ports. This module is pre-programmed to fix trailer brake errors.
  • 2008-2009 Sierra Denali TBCM, part 25854535. This pre-programmed module fixes trailer brake errors and restores safe towing function.
  • VIN-Programmed 2008-2009 Sierra Denali Trailer Brake Module (part 25788981). Shows mounting points and electrical connectors for a direct-fit installation to restore safe towing.
  • Programmed 2008-2009 Sierra Denali TBCM 20850923, showing the main housing and electrical connectors. Restores safe trailer braking and clears dash warnings.
  • Programmed 2007-2009 Sierra 3500 Trailer Brake Module 25907533. Direct-fit replacement to fix dash warnings and restore safe towing.
  • Front view of a 2007-2009 Sierra 3500 TBCM, part 25854535, showing the black plastic housing and two electrical connector ports for a simple installation.
  • 2007-2009 Sierra TBCM Trailer Brake Control Module 25788981. Shows the module body and electrical connectors for a plug-and-play installation.
  • Programmed 2007-2009 Sierra TBCM, part 20850923, showing the two black electrical connectors. This part fixes the 'Service Trailer Brake' error on GM trucks.
  • Pre-programmed 2007-2009 Sierra 2500 TBCM, part 25907533. This trailer brake control module fixes 'Service Trailer Brake System' errors for safe towing.
  • Programmed 2007-2009 Sierra 2500 TBCM, part 25854535. Shows the module housing and electrical connectors for a simple, direct-fit installation.
  • Programmed 2007-2009 Sierra 2500 TBCM, part 25788981. Fixes 'Service Trailer Brake' warning and restores safe towing by replacing the faulty module.
  • Front view of a 2007-2009 Sierra 2500 Trailer Brake Module, part 20850923, showing the two black electrical connector ports. This pre-programmed part fixes 'Service Trailer Brake' errors.
  • 2008-2009 Silverado Trailer Brake Module 25907533. Shows the black module case and electrical connectors. A direct-fit part to fix trailer brake system errors.
  • VIN-Programmed 2008-2009 Silverado 1500 TBCM, part 25854535. Fixes 'Service Trailer Brake System' error and restores safe towing for GM trucks.
  • Programmed 2010 SRX BCM, part number 13574844, showing the main housing and electrical connection ports. A reliable fix for electrical faults.
  • Programmed 2010 SRX Body Control Module 13505326. This BCM is cloned for a plug-and-play fix to resolve electrical issues like faulty lights or windows.

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