2009 Chevrolet Trailblazer SS Engine Computer ECM 12636659 *VIN Programmed

Programmed 2009-2012 Colorado ECM 12636659 Engine Control Module

2009-2011 Cadillac DTS Engine Computer ECM 12636659 *VIN Programmed

Chevrolet Colorado 2009-2012 Engine Control Module Right Firewall 12636659

VIN Programmed 2009-2012 Chevrolet Colorado Engine Computer ECM 12678512 GM

2006 Chevrolet Malibu SS Engine Computer ECM 12603530 *VIN Programmed

2009-2012 GMC Canyon Engine Computer ECM 12636659 *VIN Programmed

2009-12 Colorado Engine computer 12636659 "Programmed to your VIN" ECM PCM ECU