43 messages,
Last post on Nov 26, 2012 at 12:51 PM
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Audi TT, Coupe, Convertible
#40 of 43 Audi TT U0101 code help please Trans issue ?
by joeam
May 08, 2012 (9:23 pm)
Recently purchase a 2004 Audi TT 3.2 with 57,000 miles
Fell in love instantly, car amazing, smooth butter like shifts with the DSG
trans...took it to a local independent shop (no local Audi dealer) to have the
dsg fluid and filter changed as paperwork didnt verify that the service previously done.
Two days after back, went to leave work, key turns everything on, but no crank of engine, and "service" indicated on dash, came back next am and key in everything fine, starts runs great, shifts great, two miles down road, trans goes into what seems like false neutral, pull over no reverse or other gears engage, turned of ignition and again no
crank and service light, scanner shows 1 logged code, U0101 lost comm with
TCM......get it towed to independent shop...next day start runs and drives fine, then out
of blue does it again at shop, no crank and u0101
Also should mention on two occassions key in ignition tumbler rotated freely with no action, rotated around abit then key and switch worked properly...
so dead in water at independent shop, not knowing if ignition switch can play into the u0101 or if im looking at a Mechatronic Unit or ?
Any help appreciated
#41 of 43 Re: 2001 TT 5 Speed 180hp Transmission Grinding [manav1]
by treksportmk3
May 11, 2012 (10:47 pm)
if anyone is still readin any of this, the 5sp and 6sp transmissions in the tt are the 02m code. Theseare actually pretty stout and are said to handle 500-550hp! unfortunately, they do suffer a flaw, the most common would be the shift fork for 1st and 2nd gear. Not a huge issue as it can be fixed, welded, bolstered to make it handle higher tolerances, however it explains why a lot of you with manual transmissions are having issues not being able to shift into gears, or having trouble getting into a gear. Im not saying it couldnt be another problem, but from my extensive reading this seems to be the most common, though compared to other vw transmissions, the 6sp 02m is one of the more sought after due to how stout it is. As far as the audi transmissions go, the 01e transmission found coupled with the 2.7t engine as well as the 6sp 1.8t models of the B6 A4 generation is said to be near bulletproof but i'm babbling now as that transmission won't even fit in your car. check out the shift fork and search it online to see the problem and how to get it fixed right without breaking the bank. as far as the tiptronic folks, vw/audi should've named it "failtronic" as it's more appropriate, cheers
-Reed
#42 of 43 Re: 2001 TT 5 Speed 180hp Transmission Grinding [treksportmk3]
by seeuuinnc
Aug 19, 2012 (5:34 am)
I just bought a 2001 Audi TT 4 with the 1.8 and 5 speed and have noticed that it's very easy to get into third gear vs first at a stop. I don't experience any grinding though. Could this be the shift fork you are talking about?
I bought the car yesterday and have put over 300 miles on it and can't wait to get back in for more!
#43 of 43 Re: Audi TT Transmission Not Engaging [jrmy]
by dub13
Nov 26, 2012 (12:51 pm)
It is a bad mechatronic unit. If you take it to the dealer they'll want to replace the entire transmission and mech unit. I'd advise against that. All you probably need is a new/rebuilt mechatronic box. Cost is about $2500 for a new one, or you have your existing one rebuilt - when I had mine done I found a place in Europe that would rebuild ( http://www.ecutesting.com/catalogue/audi_eculist.html?category=4054&model=447 ) but I never used them. Once you read about the unit it makes sense that it could be easily rebuilt.