• Front view of a 2007-2014 Sierra 2500 TCCM, part 24252878, showing the main electrical connectors. This pre-programmed module fixes 4x4 issues.
  • Front view of the 2007-2014 Sierra 2500 TCCM, part 24243085. This VIN-programmed module fixes 'Service 4WD' light issues and restores 4x4 function.
  • Programmed 2007-2014 Sierra 2500 TCCM, part 24243084. Shows connectors for a plug-and-play fix to clear the 'Service 4WD' light.
  • Front view of the 2007-2014 Sierra 2500 Transfer Case Module 24242480, showing connectors. A reliable fix for the 'Service 4WD' light.
  • Front view of the 2007-2014 Sierra 2500 TCCM, part 24241970. Shows electrical connectors for a plug-and-play fix for the Service 4WD light.
  • Image of a genuine GM Transfer Case Control Module (TCCM) 24241143 for a 2007-2014 Sierra 2500, showing the electrical connector ports. This part fixes 4WD errors.
  • Front view of a 2007-2014 Sierra 2500 TCCM, part 24240487, showing the black plastic housing and electrical connection ports for a 4x4 system repair.
  • Programmed 2007-2014 Sierra 2500 TCCM Module 24239190. Shows connectors for an easy install to fix 'Service 4WD' light.
  • Programmed 2007-2014 Sierra 2500 TCCM, part 12588096, showing the black casing and electrical connection ports for a plug-and-play 4WD fix.
  • Programmed 2007-2014 Sierra 3500 TCCM, part 24261367. This module fixes the 'Service 4WD' light and shifting problems.
  • Front view of the 2007-2014 Sierra 3500 TCCM, part 24252878. Shows electrical connectors for a plug-and-play fix for 'Service 4WD' light issues.
  • 2007-2014 Sierra 3500 TCCM, part 24249095, showing the black plastic housing and electrical connection ports. A reliable fix for the 'Service 4WD' light.
  • Programmed 2007-2014 Sierra 3500 TCCM, part 24243085. A direct-fit solution to fix the 'Service 4WD' light and restore 4x4 functionality.
  • Pre-programmed Transfer Case Control Module (TCCM) for a 2007-2010 Sierra Denali. This direct-fit part 24240487 restores 4x4 function and clears common DTCs.
  • Programmed 2007-2010 Sierra Denali TCCM, part 24239190, with connectors visible. A direct-fit solution to clear 'Service 4WD' error codes.
  • Programmed Transfer Case Control Module (TCCM) for a 2007-2010 Sierra Denali, part 12588096. Shows connectors for a direct-fit, plug-and-play installation to fix 4WD issues.
  • Programmed 2011-2014 Sierra Denali 3500 TCCM, part 24261367. This module solves the 'Service 4WD' light and communication errors.
  • Programmed 2011-2014 Sierra Denali 3500 TCCM, part 24252878, showing the main housing and electrical connector ports for a plug-and-play 4WD system fix.
  • Pre-programmed 2011-2014 Sierra Denali 3500 TCCM, part 24249095. Fixes "Service 4WD" light and restores all four-wheel-drive modes.
  • Programmed 2011-2014 Sierra 3500 TCCM 24243085 with connectors visible. A direct-fit solution to clear 'Service 4WD' codes and restore 4x4 functionality.

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