• Front view of a 2004-2006 Colorado PCM, part number 12589585, showing the main electrical connector ports.
  • 2004-2006 Colorado PCM Powertrain Control Module 12589311, front view showing connectors.
  • Front view of the 2004-2006 Colorado PCM with part number 12588650 visible on the label.
  • Programmed 2007-2011 HHR ECM Engine Computer 12594750, front view showing connectors.
  • 2008-2009 Express 1500 PCM Powertrain Control Module 12597125, front view with connectors.
  • 2004-2006 GMC Canyon Powertrain Control Module PCM 12606399, front view showing connectors.
  • Front view of the 2008-2009 Express 1500 ECM Engine Control Module with its electrical connectors visible.
  • Programmed 2004-2006 GMC Canyon PCM Powertrain Control Module 12606398, showing connectors and casing.
  • 2008-2009 Express 1500 PCM 12635901 showing the main connectors and part label.
  • 2004-2006 GMC Canyon and Chevrolet Colorado PCM Powertrain Control Module 12606374, front view showing connectors.
  • Programmed 2008-2009 Express 1500 ECM, part number 12597125, ready for installation.
  • Programmed 2004-2006 GMC Canyon Powertrain Control Module PCM 12606373
  • Programmed 2008-2009 Express 1500 ECM, part number 12629020, shown from the front with connectors visible.
  • Programmed 2004-2006 GMC Canyon PCM Powertrain Control Module, part number 12606369.
  • Programmed 2008-2009 Express 1500 ECM, part number 12618028, ready for installation.
  • Front view of the 2004-2006 Canyon PCM, part number 12604439, showing the main electrical connector ports.
  • 2008-2009 Express 1500 PCM Engine Computer, part number 12597125, showing the main electrical connectors.
  • 2004-2006 GMC Canyon Powertrain Control Module (PCM) 12604438, front view showing electrical connectors.
  • 2008-2009 Express 1500 PCM showing the main electrical connectors and service number label.
  • 2004-2006 GMC Canyon PCM Powertrain Control Module 12600818, front view showing connectors.

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