• Programmed 2007-2010 Sierra Denali TCCM, part 24241970. Shows electrical connectors and mounting points for a direct-fit 4WD system repair.
  • Front view of a 2018 Suburban 1500 ECM, part number 12704475, showing the three main electrical connector ports. This module fixes check engine light codes P0601 and P0606.
  • Programmed 2011-2014 Sierra Denali 3500 TCCM 24241970. Black module with connectors, solves 'Service 4WD' light and 4x4 issues.
  • Programmed 2018 Tahoe ECM, part number 12704475. This engine computer fixes check engine lights, no-start issues, and poor performance on GM SUVs.
  • Front view of a 2011-2014 Sierra Denali 2500 TCCM, part 24241970, showing the black plastic housing and main electrical connector ports for a reliable 4WD fix.
  • VIN-programmed 2018 Savana 2500 ECM, replacement for 12692069, showing connectors. Fixes poor performance and check engine lights.
  • Programmed 2007-2014 Sierra 2500 TCCM, part 24241970. This module fixes 'Service 4WD' errors and restores four-wheel drive functionality.
  • Programmed 2018 Savana 3500 ECM, part 12692069. Shows connectors for a direct-fit replacement to fix no-start conditions and check engine lights.
  • Front view of a 2007-2014 Sierra 3500 TCCM, part 24241970, showing the main electrical connectors. This programmed module fixes 4WD issues.
  • Programmed 2018 Sierra 1500 ECM, part 12704475, ready for installation. Fixes check engine lights like P0606 and no-start issues on GM trucks.
  • Programmed 2007-2013 Silverado 1500 TCCM part 24241970, showing the black plastic housing and electrical connection ports for a plug-and-play fix.
  • Front view of a 2018 Escalade ESV ECM, part 12704475, showing the main electrical connector ports. This programmed module fixes check engine lights and stalling.
  • Front view of a 2007-2014 Silverado 2500 TCCM, part 24241970, showing the main electrical connector ports for a plug-and-play 4WD system repair.
  • Front view of the 2018 Escalade ECM, part 12704475, showing the main electrical connectors. This VIN-programmed module fixes engine performance issues.
  • Front view of the 2007-2014 Silverado 3500 TCCM, part 24241970. Shows electrical connectors for a direct-fit, pre-programmed solution to 'Service 4WD' errors.
  • Front view of the 2018-2019 Corvette ECM, part 12704475, showing electrical connectors. This programmed module resolves performance issues and DTCs.
  • Programmed 2008-2013 Yukon XL 2500 TCCM, part 24241143. Shows the module case and electrical connectors for a direct-fit replacement to fix 4WD issues.
  • Front view of a programmed 2018 Silverado 1500 ECM, part 12692069, showing the main electrical connectors. This module fixes engine performance issues.
  • Front view of a 2007-2014 Yukon XL 1500 TCCM, part 24241143, showing the main electrical connectors. This pre-programmed module fixes 4WD system failures.
  • Programmed Engine Control Module (ECM) 12704475 for a 2018 Sierra Denali 1500, showing the main electrical connectors. A reliable fix for DTCs like P0606.

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