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Audi TT Electrical System Problems

58 messages,  Last post on Aug 21, 2009 at 3:59 AM

You are in the Audi TT / TTS / TT-RS Forum. Your Host is claires

What is this discussion about? Audi TT, Coupe, Convertible


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#9 of 58
by Mr_Shiftright HOST
Oct 24, 2002 (2:09 pm)
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Well, BBB is supported financially solely and entirely by business, so they aren't going to be aggressive in solving the dispute, but rather very methodical. You cannot expect BBB to act as consumer advocate. They are in place to protect good businesses from bad businesses. So you have no ally there.
 
Lemon Law prcedures are quite lengthy and involved. It's not a simple or easy process and wasn't meant to be. So if that's the route you want to go, you're going to have to expect things to be long and drawn out unfortunately. Being able to reproduce the problem is a key factor, too, because they are counting down time.
#10 of 58
TT Problem by pbj1
Feb 28, 2003 (8:57 pm)
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I have a 2002 225 Quatro Coupe with ~3K miles. This week, the battery light came on as I was driving and within a few miles I started to get indicator lights for the Airbag, ABS, Traction Control, etc. A few moments later, my gauges went dead, however since I was only about 1-mile from my home and the engine was running fine, I kept going. About 1K feet from my house, the engine died.
 
Audi Roadside towed the car to the dealer on Monday afternoon and after 3 days of diagnostics, I was advised that no trouble was found.
 
Has anyone else had this occur? If so, did your dealer or Audi ever discover the root cause?
#11 of 58
Lightly driven 2000 audi tt with electrical drain by ttchuck
Mar 03, 2006 (5:24 pm)
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Ok, I have this hard to diagnose electrical drain.
 
If the car sits for any length of time, like > 2 days the battery is dead. Seems like I've had this problem for awhile but just started noticing it because I no longer drive it everyday. The service folks thinks its the door control modules that have out of sync firmware. Anyone heard of this?
 
Early on I had problems with driver door lock module which was replaced because the system thought the door was open and would move the window down a little... which caused the car to think that a door was open while moving or the alarm went off when stationary.
 
Anyway that was cleared up years ago but now I have this slow drain. Has anyone else had a similar problem? Did you solve it?
#12 of 58
Re: Lightly driven 2000 audi tt with electrical drain [ttchuck] by easall
Mar 20, 2006 (6:03 pm)
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Replying to: ttchuck (Mar 03, 2006 5:24 pm)

I HAVE THE EXACT SAME PROBLEM ... or at least it sounds like it. I recently moved to DC so no longer need to drive every day..every time I leave my car over 24 hours (even if it is a nice warm garage) it will not start...i dont even hear the engine grinding just click click click when i try and turn it.
 
The instrument panel all reverts back to July 1st 1998. The horn when i lock it stops beeping. And no go on the starting of the car
 
So...I have been to the dealer twice thusfar and no such luck on it being fixed (and right now it is sitting in my garage with a sad look on its face b/c i need to take it in again). The dealer has no idea what is going on by the way.
 
1st time i took it to dealer I had them check all the electrical draws and then replace the battery.
 
2nd time it happened I told them that they needed to check all the electrical draws again and this time they found an error in the central control module (the big brain for the TT) this was not good and cost me over a grande to fix.
 
I'll let you know what they "figure out" this time but I am not hopefull - I would reall appreciate anything you find on the subject as well!
#13 of 58
Re: Lightly driven 2000 audi tt with electrical drain [easall] by andyfades
May 16, 2006 (8:58 pm)
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Replying to: easall (Mar 20, 2006 6:03 pm)

Did you ever find the solution to this problem. I go on business trips of about a week every few months and each time I come back the car is completely dead. I've taken it in three times and each time they say there is no problem with the battery.
#14 of 58
Re: Lightly driven 2000 audi tt with electrical drain [ttchuck] by cogster
May 26, 2006 (12:18 pm)
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Replying to: ttchuck (Mar 03, 2006 5:24 pm)

Hi,
I own a 2001 TT and have had the same problem that you've encountered.
 
Since my car was under warranty I took it back a week ago and the diagnosis from the Audi Dealer was a power drain due to the instrument cluster and a faulty dimmer switch which flickered and buzzed when I used it.
Solution was to replace the whole instrument cluster (electrical), a new dimmer switch and now the car seems to run fine.....I will keep in touch though just in case the problem happens again.
Hope this helps you.
#15 of 58
PLEASE ADVISE! by ginameyerr
May 30, 2006 (10:56 am)
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Replying to: cogster (May 26, 2006 12:18 pm)

Hi,
I'm purchasing a 2001 TT 225HP Roadster with 38K miles...For $60/month more (over 72 months) the dealer is offering me a CNA warranty allowing me to take the car to any Audi dealer for 4 years or 48,000 miles...Should I get it? Doesn't cover normal wear and tear, and since this is the "problems" forum, I'm wondering what you all think? At this point, the car has been inspected and is free of any probs... I drive maybe 10-15 miles a day max. Thanks for your advice!
#16 of 58
Re: PLEASE ADVISE! [ginameyerr] by Mr_Shiftright HOST
May 31, 2006 (8:04 am)
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Replying to: ginameyerr (May 30, 2006 10:56 am)

Well let's see...given the miles you drive a year (roughly 5,400) at the end of FOUR years...the end of your warranty...you would have spent $2,880 to protect the car for an additional 21,840 miles, or a total mileage on the car of about 59,000.
 
Doesn't seem like a good bet for you given the number of miles you drive and the cumulative miles on the car.
 
I'm not clear about this $60/month additional over 72 months, since your warranty will run out in 48 months.
#17 of 58
Re: PLEASE ADVISE! [ginameyerr] by lincoln125
Jun 02, 2006 (6:31 am)
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Replying to: ginameyerr (May 30, 2006 10:56 am)

My advice is don't bother with the Audi warrantee. Audi does not like to pay for extended warrantee broken parts. It much like fighting with an insurance company! They may pay, but only after you fight with them and beat them down. Like any used car, you will have some problems, hopefully not too costly.
#18 of 58
Re: Lightly driven 2000 audi tt with electrical drain [cogster] by jennfennell
Nov 06, 2006 (12:59 pm)
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Replying to: cogster (May 26, 2006 12:18 pm)

Hi all:
 
I've recently started to have a similar electrical drain on my 2000 tt. Since September, if the car sits for more than a day, it won't start... of course I changed the battery, which was original, then moved from NJ to DC.
 
The problem came back right away, especially since I now take public transportation to work more often than not, and so the care is driven less.
 
Suffice to say, it has been at the dealer as I don't know any Audi specialists is the area. Over two weeks this past month of diagnostics, a system code reset, then eventually a new instrument cluster, at 2200 dollars later, the problem still occurs.
 
Every time the car fails, it's been sitting for a few days, and when I open the drivers side door, there is a clicking in it... can't tell exactly where, but I have always stuck to the belief that the problem is in some accessory motor/sensor/switch which thinks the car is on or the door is open when it's not. Audi did a "thorough" check and did not find a problem there ir in any of the wiring...
 
Has anyone had any resolution to this problem? Any suggestions for a good auto electrics shop in the DC area? I can't take this anymore! If I want the car to start in the morning, I have to disconnect the battery,,, and that won't be a good idea for very long.
 
Thanks
jenn

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