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      08-11-2012, 01:55 PM   #1
wdlfbio
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Drives: 2013 4S, 2015 3500 HD Dually,
Join Date: Dec 2006
Location: Maple Valley, WA

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Those with ESS tunes

Probably a bad idea to install the tune on the weekend, but I didn't want to wait .

For those with the tune, is it common for the CEL to remain lit? I used the ESS Flash software to read any codes, but none were found. Even after an easy drive, the CEL stayed on and no codes were found.

I did reinstall the stock tune, then reflashed the ESS tune with the same result.
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