Po 1687 code and no bus code when sct tuner pluged in

[zackernst]

I get a no bus code on my dash everytime i plug my sct tuner tuned by hemifever in and i lose all my gauges my truck has been running like this for 2 months any help would be greatly appreciated

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[fastf]

Don't plug it back in .I have a question do know if that thing is tuned to marry up to the 4.7 computer if not don't plug that thing back in until you know it wont fry your computer.

 

[zackernst]

Don't plug it back in .I have a question do know if that thing is tuned to marry up to the 4.7 computer if not don't plug that thing back in until you know it wont fry your computer.

Yea i used it to put tunes on my truck a couple times i ended up sending it back to sct to get it fixed because the tuner was messed up

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[fastf]

That may be it this is just a wild guess.