• Programmed 2004 Sierra 2500 PCM 12586242 engine computer module, front view showing the main electrical connectors.
  • Programmed 2004 Sierra 2500 PCM, replacement for GM part 19299226.
  • Programmed 2004 Silverado 3500 PCM 12586242 Engine Computer, front view showing connectors.
  • A 2004 Buick Rainier PCM, part number 12586242, ready for VIN programming and installation.
  • A side view of the Programmed GM PCM 12586242, showing the main electrical connectors for a 2004 Buick Rainier.
  • Programmed 12586242 PCM for 2004 GM trucks and SUVs like the Buick Rainier and Chevy Silverado.
  • Programmed 12586242 PCM Engine Computer for a 2004 GM truck or SUV, showing the main connectors.
  • A pre-programmed 2004 Buick Rainier PCM 12586242 engine computer module shown on a clean white background.
  • Programmed 2004 Chrysler Pacifica ECM with part number 4748331AB shown on a white background.
  • Pre-programmed 2004 Chrysler Pacifica ECM, part number 05094241AB, ready for installation.
  • Front view of the 2004 Chrysler Pacifica ECM, part number 05094241AA, showing the main electrical connectors.
  • Programmed 2004 Chrysler Pacifica ECM Engine Computer Module.
  • Front view of the 2004 Chrysler Pacifica ECM 4748330AD, showing the main connectors and part number label.
  • Programmed 2004 Chevy Malibu 3.5L Engine Control Module (ECM) with part number 12581598 shown on a white background.
  • Programmed 2004 Grand Prix ECM, part number 19210733, ready for installation.
  • 2004 Pontiac Grand Prix ECM Engine Control Module 12591026, programmed and ready for installation.
  • Pre-programmed 2004 Grand Prix ECM 12581501, ready for installation to fix engine computer issues.

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