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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old January 13th, 2019, 14:33   #1
Smashed Ixnay
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Join Date: May 2010
Location: Auburndale, FL
Default Adblue reset light on after filling

I usually let VW do this when they service my car, but I forgot to tell them to do it while I had my phase 2 done. It wasn't done with either one of them, so my reminder light came on. I finally put almost 5 gallons of adblue in my car, and the light still stays on.

I tried just leaving the car on for 2 minutes (just pressing start button w/o brake pushed), leaving off for 10 minutes, then turning it back on, but it still says 1000 miles left of adblue.

I read I may need a scanner to reset it? Is there any other way, other than visiting a dealer? I figured i'd try to save some $$ to do it myself, so hopefully I won't need to buy a vcsd scanner if I don't have to.
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Old January 13th, 2019, 14:38   #2
Jetta_Pilot
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One thing apparently, you must fill the DEF tank when the car is on level ground. Shouldn't be a problem in Florida, lol.

Second, unless I'm wrong you are also supposed to turn on the ignition and then wait for about 30 seconds after filling the tank before starting the engine.

I always do my own and never have a problem.
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Old January 13th, 2019, 21:42   #3
tadawson
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Our daughter bought DEF that was bad from a WalMart once, and despite a full fill, it never registered. Drain and refill, all was fine. Not common to get a bad jug, but definitely possible . . .
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Old January 14th, 2019, 05:48   #4
740GLE
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DEF does not like heat and does have a shelf life.

Also when ever I've filled, warning instantly goes away, next restart.
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Old January 14th, 2019, 18:59   #5
Smashed Ixnay
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Quote:
Originally Posted by Jetta_Pilot View Post
One thing apparently, you must fill the DEF tank when the car is on level ground. Shouldn't be a problem in Florida, lol.

Second, unless I'm wrong you are also supposed to turn on the ignition and then wait for about 30 seconds after filling the tank before starting the engine.

I always do my own and never have a problem.

I actually filled it while on my driveway, which is on an incline.


Quote:
Originally Posted by tadawson View Post
Our daughter bought DEF that was bad from a WalMart once, and despite a full fill, it never registered. Drain and refill, all was fine. Not common to get a bad jug, but definitely possible . . .

Thanks, nice to know that for future references.


Quote:
Originally Posted by 740GLE View Post
DEF does not like heat and does have a shelf life.

Also when ever I've filled, warning instantly goes away, next restart.



I did turn the car on after about 2 mins, after pressing the start button. I read 60 seconds is the actual time, but was told to wait 90 seconds to be on the safe side.






This morning I started my car up and the light went away, so it looks like I'm good now. Thanks everyone.
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