• Programmed 2008-2013 Avalanche 1500 TCCM, part 12588096. This module fixes the 'Service 4WD' light and communication errors like U0102.
  • Programmed 2007-2010 Sierra Denali TCCM, part 12588096. This transfer case control module fixes 'Service 4WD' light issues and DTCs like U0102.
  • Front view of the 2011-2014 Sierra Denali 3500 TCCM, part 12588096, showing the electrical connectors. A reliable fix for 'Service 4WD' light issues.
  • 2011-2014 Sierra Denali 2500 TCCM 12588096. Fixes "Service 4WD" light and restores four-wheel drive. Programmed to your VIN.
  • Programmed 2007-2014 Sierra 2500 TCCM Module 12588096. This plug-and-play unit fixes 'Service 4WD' errors and restores 4x4 function.
  • Programmed 2007-2014 Sierra 3500 TCCM 12588096. This module restores 4WD function and clears 'Service 4WD' lights on GM trucks.
  • Front view of a 2007-2013 Silverado 1500 TCCM, part 12588096, showing the black plastic housing and electrical connection ports. This VIN-programmed part fixes 4WD faults.
  • Programmed 2007-2014 Silverado 2500 TCCM 12588096. Fixes 'Service 4WD' light and shifting issues. A direct-fit replacement part.
  • Front view of a 2015-2016 Sierra 1500 TCM, part 24276411, showing the main electrical connectors. This VIN-programmed module fixes shifting issues.
  • 2015-2017 Escalade ESV TCM, part 24276411, showing electrical connectors. This VIN-programmed module fixes hard shifting and communication errors.
  • Programmed 2015-2017 Escalade TCM, part 24276411, showing the main housing and electrical connector ports. A reliable fix for harsh shifting and limp mode.

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