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Old 12-09-2010, 11:03 AM   #1 (permalink)
94Matt
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DEF problem

My truck is saying that it is out of DEF even though it is full. The dealer can't fix it and they have another one there with the exact same problem.

Have you guys heard about this being a common problem? Truck was working great up to this point.
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Old 12-09-2010, 05:31 PM   #2 (permalink)
bayala
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Quote:
Originally Posted by 94Matt View Post
My truck is saying that it is out of DEF even though it is full. The dealer can't fix it and they have another one there with the exact same problem.

Have you guys heard about this being a common problem? Truck was working great up to this point.
What does the dash warning say exactly? I just got mine back from the dealer 30 minutes ago for a DEF issue on my 2011
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Old 12-09-2010, 07:56 PM   #3 (permalink)
94Matt
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"Exhaust fluid empty Refill now Speed limited to 55mph"

It's still sitting at the dealer
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Old 12-09-2010, 09:15 PM   #4 (permalink)
1tonchev
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I could be wrong, but I thought I read that once you get this message and refill the DEF tank, you need to drive it for like 20-30 minutes for this to reset. Maybe someone else can verify this.
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Old 12-09-2010, 09:19 PM   #5 (permalink)
shookme
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Originally Posted by 94Matt View Post
My truck is saying that it is out of DEF even though it is full. The dealer can't fix it and they have another one there with the exact same problem.

Have you guys heard about this being a common problem? Truck was working great up to this point.
I've been hearing of some guys at different dealers having this exact problem. One guy had engineering (I believe) end up getting involved and he replaced the ECM and programmed it with a special calibration for that truck only.

Wonder if this is going to be a trend?

Last edited by shookme; 12-09-2010 at 09:19 PM.
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Old 12-09-2010, 09:34 PM   #6 (permalink)
heavybrewster
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The error does not go away and you will be restricted to 55mph until you reset the ecm. Disconnect battery cables after you have refilled the def tank and leave them disconnected for 10 minutes. Reconnect and you will be good to go. Happened to me when i was 1400 miles away from home. Kind of pissed me off but i had other problems that were a factor. Lost my wiring harness to my dpf from a block of ice hitting the bottom of the truck. Left me in limp mode at 5mph with a 30 mile trip back to Sault Ste Marie. I am still trying to calm myself down from this episode before i entirely post what happened with pictures of the broken hardess.

Last edited by heavybrewster; 12-09-2010 at 09:35 PM.
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Old 12-09-2010, 10:34 PM   #7 (permalink)
94Matt
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Originally Posted by shookme View Post
I've been hearing of some guys at different dealers having this exact problem. One guy had engineering (I believe) end up getting involved and he replaced the ECM and programmed it with a special calibration for that truck only.

Wonder if this is going to be a trend?

Sounds like the direction the dealer is looking on mine. They have a call into engineering and haven't heard back.
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Old 12-09-2010, 11:46 PM   #8 (permalink)
richterscale
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And I thought gm did their homework on the location of the tank and wires--sorry to hear about your bad luck heavybrewster.
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Old 12-10-2010, 02:51 PM   #9 (permalink)
94Matt
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I saw the email my service manager received back, they are working on either a reflash or a new ecm to fix the problem. The way I read that is, there is a problem with the ecm and they are trying to find a way to work around it instead of replacing ecm's. Service manager told me there is a dealer just South of us with 6 trucks sitting and waiting with the same problem.

I hope they get this fixed soon, this is my daily driver work truck and I am racking up the miles on my Dodge now.
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Old 12-10-2010, 06:18 PM   #10 (permalink)
shookme
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Quote:
Originally Posted by 94Matt View Post
I saw the email my service manager received back, they are working on either a reflash or a new ecm to fix the problem. The way I read that is, there is a problem with the ecm and they are trying to find a way to work around it instead of replacing ecm's. Service manager told me there is a dealer just South of us with 6 trucks sitting and waiting with the same problem.

I hope they get this fixed soon, this is my daily driver work truck and I am racking up the miles on my Dodge now.
Interesting. Thanks for the update!
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