• Programmed 12200411 PCM for 2001-2002 Silverado 1500, showing the main computer unit and connectors.
  • Programmed 12576160 PCM for a 2001-2002 Chevrolet Silverado 1500, showing the main connectors.
  • Programmed 12633238 Engine Control Module (ECM) for 2010-2013 Silverado 1500 and other GM vehicles.
  • Programmed 2004 Silverado 1500 PCM Engine Computer module with service number 12586242 shown on a white background.
  • A replacement 2004 Silverado 1500 PCM, part number 12586242, ready for programming and installation.
  • Programmed 2004 Silverado 1500 PCM with service number 12586242, ready for installation.
  • Front view of a programmed 2004 Silverado 1500 PCM with part number 12586242 visible on the label.
  • Programmed 2004 Silverado 1500 PCM, service number 12586242, ready for installation.
  • Programmed 2004 Silverado 1500 PCM with service number 12586242 shown on a white background.
  • Programmed 2004 Silverado 1500 PCM with part number 12586242, ready for installation.
  • A close-up of the 2004 Silverado 1500 PCM 12586242, showing the connectors and service label.
  • Programmed 2004 Silverado 1500 Engine Computer 12586242, showing the main connectors and service number label.
  • Programmed 2004 Silverado 1500 PCM Engine Computer 12586242 ready for installation.
  • Programmed 2004 Silverado 1500 PCM Engine Computer with service number 12586242 shown on a white background.
  • VIN-programmed 2007-2009 Silverado 1500 PCM, part number 12597125, showing the main electrical connectors.
  • Pre-programmed 2007-2009 Silverado PCM with service number 12597125 shown on a clean background.
  • Pre-programmed 12597125 Engine Control Module for a 2007-2009 Silverado 1500 PCM, showing the main electrical connectors.
  • Pre-programmed 2007-2009 Silverado 1500 PCM, part number 12635902, ready for installation.
  • Pre-programmed 12597125 PCM for a 2007-2009 Silverado 1500, showing the main electrical connectors.
  • Pre-programmed 12597125 PCM for a 2007-2009 Silverado 1500, showing the main connectors.

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