• A pre-programmed 2004 Escalade EXT ECM, part number 12586242, ready for installation.
  • Pre-programmed 2004 Escalade EXT PCM with part number 12586242 shown on a clean white background.
  • Front view of the 2004 Escalade EXT PCM Engine Computer 12586242, showing the main electrical connectors.
  • Front view of the 12586242 Powertrain Control Module for a 2004 Escalade EXT PCM, showing the electrical connectors.
  • Programmed 2004 Escalade EXT PCM, service number 12586242, ready for installation to restore engine performance.
  • A pre-programmed 2004 Envoy XUV PCM, part number 12586242, ready for installation to fix engine issues.
  • Programmed 2004 Envoy XUV PCM with part number 12586242 shown on a clean background.
  • Programmed 2004 Envoy XUV PCM 12586242, showing the main connectors and silver housing.
  • Programmed 2004 Envoy XL PCM 12586242 Engine Computer
  • Front view of the 2004 Envoy XL PCM, part number 12586242, showing the main electrical connectors.
  • Front view of the 2004 Envoy XL PCM, part number 12586242, showing the main electrical connectors.
  • Programmed 2004 Sierra Denali PCM with part number 12586242 shown on a clean background.
  • Front view of a pre-programmed 2004 Sierra Denali PCM, part number 12586242, showing the main electrical connectors and silver casing.
  • A pre-programmed 2004 Sierra Denali PCM, part number 12586242, ready for installation.
  • A pre-programmed 2004 Sierra Denali PCM, part number 12586242, ready for installation.
  • Programmed 2004 Sierra Denali PCM, part number 12586242, with connectors visible, ready for installation.
  • Programmed 2004 Sierra Denali PCM, part number 12586242, ready for installation.
  • Front view of the 2004 Sierra Denali PCM with service number 12586242, showing the main electrical connectors.
  • A pre-programmed 2004 Silverado 1500 PCM, part number 12586242, ready for installation.
  • Programmed 2004 Sierra Denali PCM with service number 12586242, ready for installation.

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