Engine Computer Programmed Plug&Play 2006 Hummer H2 89017734 6.0L ECM PCM OEM

2005 2006 H2 Engine computer 12589463 "Programmed to your VIN" ECM PCM ECU

Escalade 2005 2006 Engine Computer PCM ECM 12589463 -Programmed to your VIN #

2005 2006 Silverado Engine computer 12589463 "Programmed to your VIN" ECM PCM

2005 2006 Avalanche Engine computer 12589463 "Programmed to your VIN" ECM PCM

2005 2006 Tahoe Engine computer 12589463 "Programmed to your VIN" ECM PCM ECU

Avalanche 2005 2006 PCM ECM Chevy 12589463 5.3L Programmed to your VIN

Avalanche 2005 05 Engine Computer PCM ECM ECU 12589463 Programmed to your VIN #