• Programmed 2007-2014 Yukon TCCM, part 24241143. This module fixes the 'Service 4WD' light and restores 4x4 functionality without dealer programming.
  • Programmed 2018 Express 2500 ECM, part 12692069. This engine computer solves no-start conditions, check engine lights, and communication errors.
  • Programmed 2008-2013 Suburban 2500 TCCM 24241143. This Transfer Case Control Module fixes Service 4WD errors and comes ready to install.
  • Front view of a 2018 Express 3500 ECM, part 12692069, showing the main electrical connectors. This VIN-programmed module fixes common engine issues.
  • Programmed 2008-2014 Suburban 1500 TCCM, part 24241143. Shows the module's housing and electrical connectors, a key fix for the 'Service 4WD' light.
  • A genuine GM Engine Control Module (ECM) for a 2018 Yukon, part 12704475, showing the main electrical connectors. This module is pre-programmed to fix CEL codes.
  • Programmed 2018 Yukon XL 1500 ECM, part 12688528. This VIN-matched engine computer resolves no-start conditions and communication error codes.
  • Front view of a 2007-2013 Sierra 1500 TCCM, part 24241143, showing the main electrical connector ports. This programmed module fixes 4x4 issues.
  • Front view of the 2018 XTS Engine Control Module 12704475, showing the main electrical connectors. This VIN-programmed ECM resolves common DTCs like P0601.
  • Programmed 2018 Suburban 1500 ECM, part 12688528, showing the main connectors. A reliable fix for engine performance and communication codes.
  • Programmed 2008-2013 Avalanche 1500 TCCM, part 24241143. This Transfer Case Control Module fixes 'Service 4WD' light issues and is a direct-fit replacement.
  • Front view of a 2018 Tahoe ECM, part 12688528, showing the main electrical connectors. This VIN-programmed module resolves no-start and stalling issues.
  • Programmed 2007-2010 Sierra Denali TCCM 24241143 with connectors visible. A reliable fix for the 'Service 4WD' light and shifting issues.
  • A 2018 Savana 2500 Van ECM, part 12688528, with its aluminum casing and multiple wiring harness connectors visible. A reliable fix for DTCs like P0601 and U0100.
  • Programmed 2011-2014 Sierra Denali 3500 TCCM, part 24241143. Shows connectors for easy plug-and-play install to fix 'Service 4WD' light and restore 4x4 function.
  • Programmed 2011-2014 Sierra Denali 2500 TCCM, part 24241143. Shows electrical connectors for a plug-and-play fix to the 'Service 4WD' light.
  • Front view of a 2018-2019 Corvette ECM, part 12688528, showing the main electrical connectors. This programmed module fixes CEL and no-start issues.
  • VIN-Programmed 2018-2019 Corvette ECM, part 12686383. This engine computer solves running issues, communication codes, and no-start conditions in GM vehicles.
  • Front view of a 2007-2014 Sierra 2500 TCCM, part 24241143, showing the main electrical connectors. This module fixes 'Service 4WD' light issues.
  • Programmed 2007-2014 Sierra 3500 TCCM 24241143. Front view showing electrical connectors. A reliable fix for 'Service 4WD' light issues.

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