• Side view of the 12668991 ECM Engine Control Module for GM vehicles, showing the main connectors.
  • Pre-programmed 2012 Impala Engine Control Module 12651993, showing the main connectors and part number label.
  • Programmed 12668991 ECM for GM vehicles like the 2014-2015 Chevrolet Spark, showing the main connectors.
  • Programmed 2010-2011 Cadillac SRX ECM Engine Computer Module 12650256, front view showing connectors.
  • A programmed 2012-2016 Sonic engine control module, part number 12668991, ready for installation.
  • Programmed 2010-2011 SAAB 9-5 engine control module with connectors visible.
  • Pre-programmed 2012-2016 Silverado 2500 ECM with part number 12668991 shown on a white background.
  • Programmed 12650256 ECM for a 2011 Buick Regal, showing the main connector ports.
  • Programmed Engine Control Module ECM ECU 12668991 for a 2012-2016 Chevrolet Silverado 3500.
  • Programmed 12650256 ECM Engine Control Module for GM vehicles, showing the main connectors.
  • Programmed 12668991 ECM for a 2012-2016 GM Sierra or Silverado, showing connectors.
  • Programmed 2010-2011 GMC Terrain Engine Control Module with VIN flashing service.
  • Front view of the 2012-2016 Sierra 3500 programmed ECM, part number 12668991, showing the main connection ports.
  • Programmed 12650256 ECM for a 2012-2013 Chevrolet Orlando, showing the main connectors.
  • Programmed 2012-2016 Sierra 2500 ECM 12668991 with connectors visible.
  • Programmed Engine Control Module (ECM) for a 2010-2011 Buick LaCrosse, showing the main connector ports.
  • A replacement Engine Control Module (ECM) for a 2012-2016 GMC Sierra 3500, part number 12668991, shown on a clean white background.
  • Programmed 2010-2011 Equinox Engine Control Module 12650256 with connectors visible.
  • Programmed Engine Control Module (ECM) for a 2016 Chevrolet Express 2500, part number 12668991.
  • Programmed 12650256 Engine Control Module for GM vehicles, showing the main connector ports.

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