• 2004 Sierra 3500 ECM Engine Control Module 12586243, front view showing the main electrical connectors.
  • Front view of the 2005 Pontiac Pursuit PCM, part number 12579132, showing the main electrical connector ports.
  • 2004 Buick Rainier PCM Engine Control Module 12586243, front view showing connectors.
  • 2004 GTO PCM Engine Control Module 12586243 with connectors visible.
  • Programmed 2004 Express 3500 PCM 12586243, front view showing connectors.
  • 2004 Express 1500 ECM Engine Control Module 12586243, front view showing connectors.
  • VIN Programmed 2004 Express 2500 PCM 12586243, showing the main connectors and housing.
  • Front view of the 2002 Avalanche 1500 PCM Engine Computer, part number 52369718, showing the main electrical connector ports.
  • Programmed 2002 Cadillac Escalade PCM Engine Computer Module 52369718, front view showing connectors.
  • Programmed 2002 Escalade EXT PCM Powertrain Control Module, part number 52369718, ready for installation.
  • 2001 Oldsmobile Bravada PCM Engine Computer Module 52369718
  • Programmed 2002 Chevrolet Avalanche 2500 PCM Powertrain Control Module, part number 52369718.
  • Programmed 2002 Sierra Denali PCM Powertrain Control Module 52369718, front view showing connectors.
  • Front view of a 2002 Escalade PCM Engine Control Module 12200411 showing the two main electrical connector ports.
  • 2002 Cadillac Escalade EXT PCM Powertrain Control Module, part number 12200411, showing the main electrical connectors.
  • Image of a 2001 Bravada PCM, part number 12200411. This VIN-programmed engine control module is a direct-fit replacement to fix running issues and clear DTCs like P0601.
  • 2002 Avalanche 2500 PCM Powertrain Control Module 12200411, front view showing connectors.
  • Front view of the 2002 Sierra Denali PCM with part number 12200411 visible.
  • Programmed 2002 Avalanche PCM Powertrain Control Module, part number 12576160, ready for installation.
  • Front view of a 2002 Escalade PCM, part number 12576160, showing the main electrical connector ports.

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