What did you do to your NNBS GMT900 Tahoe/Yukon Today?

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kbuskill

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Man i think the tuner is causing a code setting my engine light off (u0073) i unplugged it and it hasnt come back on when i drove home..:confused: the tune still seems to work even with the tuner unplugged so thats good i guess


Not sure if this has anything to do with it or not but:

U0073 CHEVROLET Control Module Communication Bus OFF
https://www.autocodes.com/u0073_chevrolet.html
 

Kenny D

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Is it required to stay plugged in to run the current tune? My Diablo just flashes the ECM and then unplug and store in console.
 

M3kanic

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With any gmt900 (our trucks) you need two tunes. 1 ecm and 1 tcm. But no they don't need to stay plugged in. You are reprogramming the ecm and tcm.

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M3kanic

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Hopefully the last time im doing brakes on this for a while.
a212f29d60b516eef6f05a43c38e6de2.jpg


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