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International Automotive Technicians Network
Re: 2009 Chevy Traverse pcm programming
Posted to Technical Discussion Forum on 9/14/2017

Hi Chris!

It appears when you installed the new PCM you did not click on replace & reprogram. You selected program. Next time you install a used PCM click on replace & program. Build the vehicle. Enter the VIN and more forward through the screens to complete... Login to read more.