• Programmed Powertrain Control Module (PCM) for a 2003 GMC Suburban 2500 with 8.1L engine.
  • Front view of the 2003 Sierra 1500 PCM 12570557 showing the three main electrical connector ports.
  • Programmed 2003 GMC Savana 1500 PCM, part number 12570557, ready for installation.
  • Front view of a programmed 2003 GMC Savana 2500 PCM with three main electrical connectors visible.
  • Programmed 2003 GMC Savana 3500 PCM mounted on a clean background, showing connectors.
  • Programmed 2003 GMC Safari PCM with service number 12570557 visible on the label.
  • Front view of the Programmed 2003 S10 PCM 12570557, showing the main electrical connectors.
  • A programmed 2003 Astro PCM with part number 12570557, showing the main connectors for installation.
  • Programmed 2004 Corvette PCM, part number 12570557, ready for installation.
  • Programmed 2004 Cadillac CTS PCM 12570557 Engine Control Module, front view showing connectors.
  • A close-up of the programmed 2003 GM PCM, part number 12570557, ready for installation in a Chevrolet Silverado or GMC Sierra.
  • Front view of a programmed 2003 Avalanche 2500 PCM, part number 12570557, showing the main electrical connectors.
  • Programmed 2003 Silverado 1500 PCM with service number 12570557 shown on a white background.
  • Programmed 2003 Silverado 3500 PCM, part number 12570557, ready for installation.
  • Programmed 2003 GMC Sierra 2500 PCM with service number 12570557 shown on a white background.
  • Programmed 2003 GMC Sierra 3500 PCM with connectors visible, ready for installation.
  • Programmed 2003 Express 3500 PCM with connectors visible, part number 12570557.
  • Programmed 2003 Express 1500 PCM, part number 12570557, ready for installation.
  • Pre-programmed 2003 Chevy Express 2500 PCM, part number 12570557, ready for installation.
  • Front view of the 16218070 Engine Control Module for a 1997 Buick Regal, showing the main electrical connectors.

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