• Programmed 2003-2006 Escalade ESV PCM 12589463 with three wiring harness connectors visible, a solution for engine stalling and check engine lights.
  • Programmed 2003-2006 Escalade EXT PCM, part 12589463. Shows the module's housing and multi-pin connectors for a direct-fit GM truck repair.
  • Programmed 2008-2014 Tahoe TCCM, part 24252878. Shows black module with electrical connectors, ready to install and fix 4WD issues.
  • Programmed 2007-2013 Sierra 1500 TCCM, part 24252878. A direct-fit solution to fix the 'Service 4WD' light and shifting issues.
  • Front view of the 2008-2013 Avalanche 1500 TCCM 24252878. This pre-programmed module fixes 'Service 4WD' errors and restores 4x4 function.
  • Front view of a 2003-2007 Silverado 3500 PCM, part 12589463, showing the main electrical connector ports for a plug-and-play installation.
  • Programmed 2007-2010 Sierra Denali TCCM, part 24252878. This transfer case control module fixes 4WD issues and arrives ready to install.
  • Front view of a 2003-2007 Sierra Denali PCM, part 12589463, showing the main electrical connectors. This VIN-programmed module fixes CEL codes and no-start issues.
  • Programmed Sierra 3500 Transfer Case Module (24252878) for 2011-2014 models, showing the black casing and electrical connection ports to fix 4WD issues.
  • Programmed 2011-2014 Sierra Denali 2500 TCCM, part 24252878. A reliable fix for 'Service 4WD' light and shifting issues.
  • Front view of a 2003-2007 Sierra 3500 PCM, part 12589463, showing the main electrical connectors. This pre-programmed module fixes engine codes.
  • Programmed 2007-2014 Sierra 2500 TCCM (part 24252878) showing electrical connectors. A reliable fix for the "Service 4WD" light and DTC U0102.
  • Front view of a 2003-2007 HUMMER H2 PCM, part 12589463, showing the main electrical connectors. This module is programmed to fix check engine lights and no-start issues.
  • Front view of the 2007-2014 Sierra 3500 TCCM, part 24252878. This pre-programmed module fixes 'Service 4WD' errors and restores 4x4 function.
  • Programmed 2007-2013 Silverado 1500 TCCM, part 24252878. This module fixes the 'Service 4WD' light and restores 4x4 shifting.
  • Front view of the 2007-2014 Silverado 2500 TCCM, part 24252878, showing the black plastic housing and main electrical connector ports.
  • Front view of the 2007-2014 Silverado 3500 TCCM, part 24252878. This VIN-programmed module fixes 'Service 4WD' light issues and restores 4x4 operation.
  • Programmed 2008-2013 Yukon XL 2500 TCCM, part 24249095. Shows the black module case and electrical connectors for a plug-and-play fix for 4WD failures.
  • Front view of the 2007-2014 Yukon XL 1500 TCCM, part 24249095, showing the electrical connectors. This pre-programmed module fixes 4WD faults.
  • Programmed 2007-2014 Yukon TCCM, part 24249095. This transfer case control module fixes 4WD errors and 'Service 4WD' light on GM trucks.

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