• Programmed 2004 Suburban PCM with service number 12586242, showing the main connectors.
  • Pre-programmed 2004 Suburban 1500 PCM with service number 12586242, ready for installation.
  • Pre-programmed 2004 GM PCM with service number 12586242, showing the main electrical connectors and metal casing.
  • A 2004 Suburban 1500 PCM, part number 12586242, showing the main connectors for engine and transmission control.
  • A pre-programmed 2004 Suburban PCM, part number 12586242, ready for installation.
  • Programmed 2004 Suburban 1500 PCM with service number 12586242, ready for installation in a compatible GM truck or SUV.
  • 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.

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