• 2004 Chevrolet Tahoe PCM Engine Computer 12586242, front view showing the three main electrical connector ports.
  • Pre-programmed 2004 Tahoe ECM, part number 12586242, ready for installation to fix engine performance issues.
  • A VIN-programmed 2004 Tahoe PCM, part number 12586242, ready for installation.
  • A technician holding a pre-programmed 2004 Tahoe PCM Replacement, part number 12586242, ready for installation.
  • A technician holding a pre-programmed 2004 Sierra 1500 PCM, ready for installation in a GM truck.
  • Pre-programmed 2004 Yukon XL PCM, part number 12586242, ready for installation on a workbench.
  • Programmed 2004 Yukon XL 2500 PCM Engine Computer Module 12586242, ready for installation.
  • Pre-programmed 2004 Yukon XL 2500 PCM, part number 12586242, ready for installation.
  • Programmed 2004 Yukon XL PCM, part number 12586242, ready for installation.
  • Programmed 2004 Yukon XL 2500 PCM with service number 12586242, ready for installation in a GM truck or SUV.
  • A 2004 Yukon XL PCM, part number 12586242, shown on a clean background, ready for programming and installation.
  • A VIN-programmed 2004 Yukon XL 2500 PCM, part number 12586242, ready for installation.
  • A pre-programmed 2004 Yukon XL PCM, part number 12586242, ready for installation to fix engine issues.
  • A 2004 GM PCM with part number 12586242, showing the main connectors for installation in a Silverado, Yukon, or Sierra.
  • A pre-programmed 2004 Yukon XL PCM with service number 12586242 shown on a clean surface before installation.
  • Programmed 2004 Yukon XL PCM, part number 12586242, ready for installation on a workbench.
  • A 2004 Yukon XL PCM Engine Computer, part number 12586242, showing the main electrical connectors against a white background.
  • A pre-programmed 2004 Yukon XL PCM, service number 12586242, ready for installation to fix engine computer issues.
  • A close-up view of the 2004 Yukon XL 1500 PCM, part number 12586242, showing the multi-pin connectors.
  • A pre-programmed 2004 Yukon XL PCM, part number 12586242, ready for installation to fix engine performance issues.

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