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Old 11-19-2019, 12:44 PM   #5
chuckster57
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Join Date: Jul 2014
Location: Modesto
Posts: 20,236
Having worked on vehicles for a few decades and owning code readers I can tell you a few things.

Unplugging a code reader from the OBD port will not erase codes. If the light was on and went off, it’s stored in “history” and can be retrieved.

Ford powerstrokes have some proprietary software that requires a reader capable of reading them. The dealer should have that and if they are telling you they don’t know, take it somewhere else.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.

Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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