• Programmed 2018 Chevy Tahoe ECM Engine Control Module 12704475, showing connectors and casing.
  • 2018 Savana 2500 ECM Engine Control Module, part number 12686383, shown on a white background.
  • Programmed 2018 Savana 3500 ECM Engine Control Module, part number 12704475, shown on a white background.
  • Programmed 2018 Sierra 1500 ECM Engine Control Module, part number 12704475, ready for installation.
  • Programmed 2018 Escalade ESV ECM Engine Control Module, part number 12704475.
  • Programmed 2018 Escalade ECM Engine Control Module, part number 12704475, ready for installation.
  • Programmed 2018-2019 GM ECM Engine Control Module 12704475 for Corvette, Silverado, and Sierra.
  • Programmed 2018 Silverado 1500 ECM Engine Control Module, part number 12704475.
  • Programmed 2018 Sierra Denali ECM Engine Control Module 12704475, front view showing connectors.
  • Programmed 2018 Express 2500 ECM Engine Computer, part number 12704475, ready for installation.
  • 2018 Express 3500 ECM Engine Control Module 12686383 showing connectors and casing.
  • Front view of a 2018 Yukon ECM, part 12680656, showing the main electrical connectors. This pre-programmed module resolves engine performance issues.
  • Front view of the 2018 Yukon XL ECM Engine Control Module, part number 12704475.
  • Programmed 2018 Cadillac XTS ECM Engine Control Module, part number 12704475, showing connectors.
  • Programmed 2018 Suburban ECM Engine Control Module, part number 12704475.
  • Programmed 2018 Tahoe ECM Engine Control Module 12704475 for GM vehicles.
  • Front view of a 2018 Savana 2500 ECM Engine Control Module, part number 12704475, showing the main electrical connector ports.
  • Front view of the 2018 Savana 3500 ECM Engine Control Module, part number 12680656, showing the main electrical connectors.
  • Programmed 2018 GMC Sierra 1500 ECM Engine Control Module 12680656.
  • Programmed 2018 Escalade ESV ECM Engine Control Module, part number 12704475.

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