• A 2004 Chevy Tahoe ECM with service number 12586242, ready for VIN programming and installation.
  • Programmed 2004 Tahoe ECM, part number 19299226, ready for installation in a Chevrolet SUV.
  • Programmed 12586242 ECM for a 2004 GMC Sierra 1500, showing the main connectors.
  • Programmed 2004 GMC Yukon XL 2500 PCM Engine Computer module 12586242, showing the main connectors.
  • Programmed 2004 GMC Yukon XL 2500 PCM Engine Computer, part number 12586242, ready for installation.
  • Programmed 2004 GMC Yukon XL 2500 PCM Engine Computer, part number 12586242, ready for installation.
  • Front view of the 2004 Yukon XL 2500 PCM 12586242 engine computer with its two main electrical connectors visible.
  • VIN Programmed PCM Engine Computer for 2004 GMC Yukon XL 2500, showing the main connectors.
  • Side view of a pre-programmed 2004 GMC Yukon XL 2500 PCM, service number 12586242.
  • Programmed 2004 Yukon XL 2500 PCM 12586242 Engine Computer Module, front view showing connectors.
  • Programmed 12586242 PCM for a 2004 GMC Sierra 1500, showing the main electrical connector ports.
  • Programmed 2004 Yukon XL 2500 PCM Engine Computer, part number 12586242, ready for installation.
  • Programmed 12586242 ECM ECU for a 2004 GMC Yukon XL 2500, showing the main connectors.
  • Programmed 2004 Yukon XL 2500 PCM Engine Computer, part number 12586242, ready for installation.
  • Programmed 2004 Yukon XL 2500 ECM replacement module, part number 12586242.
  • Front view of a programmed GM 12586242 PCM for 2004 GM trucks and SUVs, showing the main connectors.
  • Front view of the programmed 2004 Yukon XL 1500 PCM, part number 12586242, showing the main connectors.
  • Front view of the VIN-programmed 2004 Yukon XL 1500 PCM 12586242, showing the main electrical connectors.
  • Programmed 12586242 PCM Engine Control Module for 2004 GM trucks and SUVs, front view.
  • Programmed 2004 Yukon XL 1500 PCM, part number 12586242, ready for installation.

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