GM ECM Engine Computer 12600928 Trailblazer Envoy 4.2L Untested

2006 Equinox Torrent G6 Montana Engine Computer ECM PCM ECU 12600928 OEM

2006 06 GMC Envoy Trailblazer 4.2L Engine Control Module ECM PCM OEM 12606398

2006-09 GM Envoy Trailblazer Acadia ECM Engine Computer Module PCM 12618163 YRHB

2006 Pontiac Torrent Engine Computer Module 12605582 / 12600928 ECM PCM OEM

2006-09 GM Envoy Trailblazer Acadia ECM Engine Computer Module PCM 12618163 YRHB

2003–2005 Envoy Trailblazer 4.2L ECM Engine Computer PCM Module 12573576 OEM