• Pre-programmed 2004 Silverado 2500 PCM Engine Computer module, part number 12586242, ready for installation.
  • 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.
  • 2004 Silverado 1500 PCM with service number 12586242, showing connectors.
  • 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.
  • Programmed 2004 Silverado 1500 ECM, part number 12586242, ready for installation.
  • Programmed 2004 Cadillac Seville PCM, part number 12587465, ready for installation.
  • A close-up of the 2004 Cadillac Seville PCM, part number 12587465, showing the main connectors.
  • Front view of the 2004 Cadillac Seville PCM, part number 12587465, showing the main connectors.
  • Front view of the 2004 Cadillac Seville PCM with part number 12587465 visible on the label.
  • Programmed 2004 Corvette PCM with service number 12581565 shown on a white background.
  • 2004 Cadillac CTS PCM Engine Computer Module with service number 12581565, showing the main connectors.
  • Programmed 2004 Corvette PCM with part number 89017733 ready for installation in the engine bay.

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