A used General Motors ECU/PCM with part # 12602010/12613418, known to fit the following vehicles:

-2007 Chevrolet Colorado/Trailblazer 

-2007 GMC Canyon

-2007 & 2008 GMC Envoy

-2007 Hummer H3

-2007 & 2008 Isuzu Ascender

-2007 Buick Ranier

-2007 & 2008 Saab 9-7X