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Old 04-21-2013, 10:44 AM
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DEF System Alert

Gents, need a little help here. I'm currently deployed to Afghanistan and my wife told me today that my 2012 F-350 6.7L displayed a "Exhaust Fluid System Fault" message. It has less than 6000 miles on it so I told her to take it back to the dealer. Anyone else have this fault and what is the usual fix for it?
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Old 04-21-2013, 11:34 AM
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is the fluid low??


Tom
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Old 04-21-2013, 11:37 AM
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I filled the DEF tank before I left in January and the wife has only put about 1000 miles on the truck since. It shouldn't be low.
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Old 04-21-2013, 11:51 AM
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The dealer will load a new computer program that will fix the message which is being displayed. There is NOT contaminated DEF in the system. Not to worry. It happened to me and It's an easy fix.
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Old 04-21-2013, 12:07 PM
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Quote:
Originally Posted by hmdavid View Post
I filled the DEF tank before I left in January and the wife has only put about 1000 miles on the truck since. It shouldn't be low.
Ok! Just checking! Thank you for your service!!


Tom
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Old 04-21-2013, 12:40 PM
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Thanks for the info greygearhead. Makes me feel a little better. And tkobes43, I appreciate the comments on my service. It's nice to hear from those that are thankful for what we do.
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Old 04-21-2013, 08:16 PM
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Originally Posted by hmdavid View Post
Thanks for the info greygearhead. Makes me feel a little better. And tkobes43, I appreciate the comments on my service. It's nice to hear from those that are thankful for what we do.
No problem bud!! Stay Safe!!


Tom
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Old 04-24-2013, 10:41 AM
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So the dealership updated the ECM for this issue. They claim it is the fix to a known issue. Sounds like the fix you said would happen greygearhead. Thanks again guys.
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Old 04-24-2013, 10:49 AM
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So the dealership updated the ECM for this issue. They claim it is the fix to a known issue. Sounds like the fix you said would happen greygearhead. Thanks again guys.
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Old 04-24-2013, 11:54 AM
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Smile

Hank,
The new update also changes transmission shift points, and this retrains the transmission. So as she drives the truck she should be more aggressive in her acceleration and the transmission will learn a better and more positive shift pattern. Gone are any shift delays in 1-2 and 2-3 (and up) that I had for the first 10,000 miles.

Also, thanks for being there for our country!
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