• Programmed 2005 Chevy Malibu PCM 12591279 Engine Control Module, showing the main connectors and part number label.
  • A genuine used GM engine computer, part number 12591279, ready for installation in a 2005 Chevrolet Malibu.
  • Programmed 2005 Malibu PCM 12591856 showing the main connectors and part number label.
  • VIN-programmed 2005 Equinox PCM with part number 12591279, showing the main connectors.
  • Front view of the 2005 Equinox Engine Computer, part number 12591279, showing the main electrical connectors.
  • Programmed 2005 Chevy Equinox PCM, part number 12591856, ready for installation.
  • Front view of the 2005 Pontiac G6 ECM 12591279 Engine Control Module, showing the main connectors.
  • Programmed 2005 Pontiac G6 PCM Engine Computer Module, side view showing connectors.
  • Programmed 2005 Pontiac G6 ECM, part number 12591856, ready for installation.
  • Programmed Engine Control Module PCM 12591279 for a 2005-2006 Saturn Relay, showing the main connectors.
  • Programmed 12609441 Duramax ECM for 2007-2010 GM 6.6L diesel trucks and vans, showing connectors.
  • Programmed 6.6L Duramax ECM for 2007-2010 GM Silverado, Sierra, and Savana vans.
  • Programmed 6.6L Duramax ECM for 2007-2010 Chevrolet Silverado and GMC Sierra trucks.
  • Programmed 2007-2010 Duramax LMM ECM for Silverado and Sierra trucks.
  • Programmed 2007-2010 6.6L LMM Duramax ECM for GM Silverado, Sierra, Express, and Savana vehicles.
  • Front view of the 12609441 ECM for a 6.6L LMM Duramax engine, showing the main electrical connectors.
  • Programmed 6.6L Duramax ECM for 2007-2010 GM Silverado and Sierra trucks, front view showing connectors.
  • Programmed 6.6L Duramax ECM for 2007-2010 GM Silverado, Sierra, Express, and Savana vans, part number 12609441.
  • Programmed 2007-2010 Duramax ECM for Silverado Sierra Express and Savana with 6.6L engine.
  • Programmed 2007-2010 Duramax LMM ECM for GM Silverado and Sierra 2500/3500 trucks, showing the main connector ports.

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