• Pre-programmed 2004 Corvette PCM Powertrain Control Module with part number 12581565 shown on a white background.
  • Front view of the 2004 CTS Powertrain Module, part number 12581565, showing the main electrical connector ports.
  • 2003 Blazer S10 PCM Powertrain Control Module 12581565, front view showing connectors.
  • 2003 Avalanche 2500 PCM Powertrain Control Module 12581565, showing the main housing and electrical connector ports.
  • Programmed 2003 Silverado 1500 PCM Powertrain Control Module 12581565, front view showing connectors.
  • 2003 Silverado 2500 PCM Powertrain Control Module 12581565, front view showing connectors.
  • 2003 Silverado 3500 PCM Powertrain Control Module 12581565, front view showing the main electrical connectors.
  • A 2003 Sierra 2500 Powertrain Control Module, part 12581565, showing its three main electrical connector ports. This VIN-programmed unit fixes running issues.
  • 2003 GMC Sierra 3500 PCM Powertrain Control Module with part number 12581565 shown on a white background.
  • Programmed 2003 Express 3500 PCM Powertrain Control Module 12581565, front view.
  • 2003 Express 1500 Van Powertrain Control Module PCM 12581565, front view showing connectors.
  • 2003 Express 2500 PCM Powertrain Control Module 12581565, showing the main connectors and housing.
  • Front view of the 2003 Yukon XL 2500 PCM Powertrain Control Module 12578127, showing the electrical connector ports.
  • Programmed 2003 Suburban 2500 PCM Powertrain Control Module, part number 12578127.
  • 2003 GMC Sierra 1500 PCM Powertrain Control Module 12578127, front view showing electrical connectors.
  • Front view of a 2003 Savana 1500 PCM with part number 12578127, showing the main electrical connector ports.
  • 2003 GMC Savana 2500 Van Powertrain Control Module PCM 12578127
  • 2003 GMC Savana 3500 Van Powertrain Control Module PCM 12578127
  • Programmed 2003 GMC Safari PCM Powertrain Control Module, part number 12578127.
  • Programmed 2003 S10 PCM Powertrain Control Module 12578127 with connectors visible.

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