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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 June 9th, 2017, 05:00   #1
roni024
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Default A question for those who got "the fix"

Are you planning on having any engine and/or DSG tuning done after getting the emissions fix done on your vehicle?

Follow up, if you have had tuning work done post-fix, what did you get done and how has it affected your car's behavior?
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Old June 9th, 2017, 10:38   #2
tadawson
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In a word: No. Why compromise the extended warrantly, while making it far less legal than it was in the first place? I see no point . . .
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Old June 9th, 2017, 12:43   #3
Tom in PT
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No, leaving completely stock.
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Old June 9th, 2017, 20:04   #4
jrm
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for sure stock until the ext warranty expires then as things fail we will take it item by item, I just forked $1100.00 out for a new oxygen sensor harness for my 2011 dodge Cummins- that's it, a grand is my limit for keeping it clean if anything more fails it will be deleted. My father is a pilot and he burns around 10,000 gallons of fuel in one day so these rigs are a drop in the bucket- we are way to near sighted and ignore the real picture
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Old June 10th, 2017, 17:00   #5
roni024
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I can see having a DSG tune done. I was never happy with the shiftpoints of my car. I usually slap the stick over to tip-tronic once I get to the gear I want to be in.

So, question still stands...
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Old June 10th, 2017, 17:11   #6
MichaelB
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My answer is NO. I was always enticed by a tune engine/dsg. But I will not negate the terms of the extended warranty after the fix. I did not buy my Passat because I in no way shape or form thought it was going to be a hot rod, just a well proportioned economical car that has a good road feel.
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Old June 11th, 2017, 13:25   #7
New Mickey
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Probably, once the warranty is expired. At least a DSG remap. It does some slightly annoying things. If the "fix" harms economy or power I'll happily de-fixify it. And I'll do anything that improves reliability, such as keeping the intake manifold clean.

I'm finding that very little of what applied to my '99 NB TDI applies to a 2015 Passat. I feel like a noob.

-mickey
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Old June 11th, 2017, 13:58   #8
VeeDubTDI
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Quote:
Originally Posted by New Mickey View Post
Probably, once the warranty is expired. At least a DSG remap. It does some slightly annoying things. If the "fix" harms economy or power I'll happily de-fixify it. And I'll do anything that improves reliability, such as keeping the intake manifold clean.

I'm finding that very little of what applied to my '99 NB TDI applies to a 2015 Passat. I feel like a noob.

-mickey
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Old June 11th, 2017, 16:05   #9
Fastbird
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Initially my answer would have been no. After seeing how impacted my fuel economy has been (I'll post a thread later), I'm going to look into options and the likelihood of sneaking an aftermarket tune by if something needs servicing that's under the extended warranty.
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Old June 11th, 2017, 16:56   #10
15jetta_leftover
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Quote:
Originally Posted by Fastbird View Post
Initially my answer would have been no. After seeing how impacted my fuel economy has been (I'll post a thread later), I'm going to look into options and the likelihood of sneaking an aftermarket tune by if something needs servicing that's under the extended warranty.
Under the extended warranty we will unfortunately have to scan EVERY tdi for VWAG to authorize repairs. Unfortunately.
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Old June 11th, 2017, 20:33   #11
jrm
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Quote:
Originally Posted by 15jetta_leftover View Post
Under the extended warranty we will unfortunately have to scan EVERY tdi for VWAG to authorize repairs. Unfortunately.
Good to know, I just learned that dealers do this as they found my 60HP smarty tune on my 2011 cummins and the dealer re-enabled pilot injection
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2001 Honda civic 40MPG
1985 VW idi 1.6 Golf 55MPG http://www.youtube.com/watch?v=yo-YUR1_DaU
1996 Dodge mechanical Cummins 12V 2500 4x4 that gets 20MPG
1990 Toyota xcab 4x4 3.0 v6 (3.slow) 15MPG
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Old June 12th, 2017, 10:04   #12
roni024
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I wonder what the tuners would charge to de- and then re-flash your ECUs should you require dealer service. They should be able to save your current/default maps and then reload them at will. It's my understanding that when you get a tune, the installer just sends you the equipment along with a custom-made map and you push the new programming onto the boards yourself.

Any tuners here want to chime in?
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Old June 12th, 2017, 10:08   #13
Fastbird
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I've already been in touch with Malone about that. The Flashzilla V3 is $180 and you could save the factory tune to it, run the aftermarket tune, and flip them when necessary for warranty work. BUT, if there's something that denotes how recently the ECU/DSG was flashed, it could bite you still.
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Old June 13th, 2017, 05:27   #14
roni024
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Quote:
Originally Posted by Fastbird View Post
BUT, if there's something that denotes how recently the ECU/DSG was flashed, it could bite you still.
Did you happen to ask if there are any date indicators that the dealer would see? Even if so, what would stop someone from, say, wanting to have a backup of the factory settings in the (unlikely) event of data corruption? One could have, theoretically, bought a Flashzilla just for this very purpose and tried to "restore the factory settings" to see if that was the cause of the malfunction.
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Old June 13th, 2017, 05:31   #15
krebsy75
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I chatted with the folks at Malone. If you don't want to risk your car's warranty, leave it stock. There's no silver bullet, unfortunately.
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