• 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.
  • Programmed 2003-2007 HUMMER H2 PCM part 12589463 with a clear view of its electrical connectors. A reliable fix for engine and transmission problems.
  • 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.
  • Pre-programmed 2008-2013 Suburban 2500 TCCM, part 24249095. This module fixes "Service 4WD" errors and restores 4x4 functionality.
  • Pre-programmed 2008-2014 Suburban TCCM, part 24249095. This module fixes 'Service 4WD' errors and restores 4x4 functionality without dealer programming.
  • Programmed 2008-2014 Tahoe TCCM, part 24249095. This module fixes the 'Service 4WD' light and restores 4x4 functionality without a dealer visit.
  • Programmed 2007-2013 Sierra 1500 TCCM, part 24249095. Shows black plastic housing and electrical connectors for fixing "Service 4WD" light and restoring 4x4 function.
  • Programmed 2008-2013 Avalanche 1500 TCCM 24249095. Restores 4WD function and clears common error codes and 'Service 4WD' light.
  • Programmed 2007-2010 Sierra Denali TCCM, part 24249095. This module fixes the 'Service 4WD' light and 4x4 shifting issues on GM trucks.
  • Programmed Transfer Case Control Module (TCCM) for a 2011-2014 Sierra Denali 3500, showing the main housing and electrical connection ports. Fixes U0102 codes.
  • Programmed 2011-2014 Sierra Denali 2500 TCCM, part 24249095. Shows the black module with electrical connector ports, a direct-fit fix for 4WD errors.
  • Programmed 2007-2014 Sierra 2500 TCCM Transfer Case Control Module, part 24249095, showing connectors. Fixes Service 4WD light issues.
  • Front view of the 2007-2014 Sierra 3500 TCCM, part 24249095, showing the black plastic housing and main electrical connectors for a plug-and-play fix.

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