• Programmed 2004 Suburban 1500 PCM, part number 12586242, with connectors visible.
  • A programmed 2004 Suburban 1500 PCM, part number 12586242, ready for installation.
  • Programmed 2004 Suburban 1500 PCM Engine Control Module 12586242, front view showing connectors.
  • A pre-programmed 2004 Suburban 1500 PCM, part number 12586242, ready for installation.
  • VIN-Programmed 2004 Suburban 2500 Engine Computer, part number 12586242, ready for installation.
  • A close-up view of the 2004 Suburban 2500 PCM with service number 12586242 clearly visible, showing the connectors.
  • A pre-programmed 2004 Suburban 2500 PCM, part number 12586242, ready for installation.
  • Programmed 2004 Suburban Engine Computer ECM PCM 12586242 being held, showing the connectors.
  • Pre-programmed 2004 Suburban 2500 PCM, part number 12586242, ready for installation.
  • Programmed 2004 GM PCM Engine Computer Module 12586242 shown from the front with connectors visible.
  • 2004 Suburban 2500 Engine Module, part number 12586242, pre-programmed for installation.
  • Programmed 2004 Envoy XUV PCM with service number 12586242, ready for installation in a GM truck.
  • Pre-programmed 2004 Envoy XUV PCM, part number 12586242, ready for installation on a workbench.
  • A pre-programmed 2004 Envoy XUV PCM, part number 12586242, ready for installation.
  • Programmed 2004 Envoy XUV PCM with service number 12586242 shown on a white background.
  • Programmed 2004 Envoy XUV PCM, part number 12586242, ready for installation.
  • A 2004 Envoy XUV PCM, part number 12586242, ready for VIN programming and installation.
  • A pre-programmed 2004 Envoy XUV PCM with part number 12586242 shown on a clean background, ready for installation.
  • A programmed 2004 Envoy XUV PCM, part number 12586242, ready for installation to fix engine performance issues.
  • A close-up of the 2004 Envoy XUV PCM, part number 12586242, showing the main electrical connectors and identification sticker.

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