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Audi TT Electrical System Problems

mp_flmp_fl Posts: 2
edited April 27 in Audi
I am not sure how many of you have had these annoying, unsafe, non-value defects that the Audi reps give a run around.

My car is: 2001 TT 225 quatro 18k miles, GPS, Bose Premium sound, Premium Pkg....Lake silver/Denim blue

I have ECO light coming with power going down to 50%, turbo stopping (as a ECO effect), fuel display erratic, speedometer erratic, GPS requiring fuse reseating etc. They replaced parts in it (GPS computer, instrument cluster, cable harness, connectors etc), and after 5 times, it still reappears sporadically. I am in arbitration with BBB and Audi but I am afraid BBB will side with Audi. These problems cannot be reproduced on demand, and does not seem to leave a trail (fault code), But BBB insited that a inspector "test drive" to reproduce them ... Hah!!

I have found that a lot of the TTs have this problem, as well as some other Audis and VWs.. I just want them to buy my car back.. I did not expect this much troble for $42k!! When I had the BMW, I never had any problems!!

Please let me know who else have these defects...

The car is cheaply made in Hungary, and it only "looks" nice... fit and finish are not worthy of a $42k car!! and Audi's customer services needs to learn a thing or two about customer satisfaction...

Mohan P.


  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,473
    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.

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  • pbj1pbj1 Posts: 1
    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?
  • Do you know of any TT owners who drive the TT with the DSG trans? I'd like their impressions. The A3 Quattro with the V6 and DSG has me intrigued. beaunedoc
  • I am having the same problem with the instrument cluster. They want $750.00 to fix plus re-set the codes for another $150.00. I contacted the headquarters about this but they say there is no recall on this part. It seems to be very widespread. BMW incidently will replace the instrument cluster for the life of the car at no charge, just labor.
  • ttchuckttchuck Posts: 1
    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?
  • easalleasall Posts: 1
    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!
  • mr2ttmr2tt Posts: 1
    My '01 TT has only has 32K and the instrument cluster just malfunctioned - speedometer quit - resulting in a full cluster replacement at $900. Also the driver's side regulator switch is beginning to malfunction at $650, which I haven't replaced since it's such a great [email protected]//.
    Has anyone received any satisfaction from Audi headquarters?

  • andyfadesandyfades Posts: 1
    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.
  • cogstercogster Posts: 1
    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.
  • ginameyerrginameyerr Posts: 1
    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!
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,473
    Well let's see...given the miles you drive a year (roughly 5,400) at the end of FOUR years...the end of your 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.

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  • 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.
  • 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.

  • my car is audi tt 2001 225hp was sit for 1 week no driveing and now my battery die i put a new one still the same my gague die all the ligth go on and my new battery is dead too this is my firt time happen to me so if any one know what is the problen and where a can fix please let me knoe thanks :mad:
  • I have simiar issue with 05 plate TT, still has less than 6Kmiles. When left for 2 weeks without being run, it suffers complete battery drain. I have had the engine ECU replaced (under warranty) but the Fault has just reappeared!
    My exprience tells me that this is an itermittant software issue, depending on the status of the interrupt flags at engine shutdown a sneak earth leakage path is set up thus allowing the battery to drain at different rates. Starting the engine resets the Flag system and temporarily clears the fault.
  • jewel3jewel3 Posts: 2
    OMG-I was truly beginning to believe my car was possessed. I have a 01 Audi TT Roadster Quattro, bought used and now has 81K on it. It was wonderful up until about 2 months ago, the battery went dead, we thought since the car was almost 8 years old, a new battery was needed, so we replaced it. It drove for about a week and all of a sudden it was dead, used cables to re-start and it ran for about another week and now it's dead. If I had a choice, I would run that car off the nearest cliff and watch it on the way down. It would seem this all steams from some sort of electrical issue, due to take it to the dealership on Monday (if it will start). Even if it is fixed, is this an on-going problem? Sounds like I should just get out of it. :cry: :mad:
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,473
    Calm down. Could be a battery drain. The dealer should be able to track this down.

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  • jewel3jewel3 Posts: 2
    That is the issue, we have replaced the battery 3 times and took it to the dealership and they could find nothing. But alas, I have gotten rid of the car this past weekend, bought a 08 Chevy Impala. Just wasn't comfortable with the car at all. Loved the look and drive, but piece of mind is much better. :)
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,473
    Well can't argue with that. Anticipating the next break-down is nerve-wracking and I hate it, too.

    I give a car "three strikes". If it leaves me totally stranded three times, despite my best efforts to make it reliable after each failure (and I DO try), it's up for sale, I'm done with it.

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  • I have a 2001 TT Quatro and the trunk or fuel door has stopped working- not with the key or the button inside the car- has anyone else had this problem? Please help! Michelle :cry:
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,473
    Might check the fuse for that button for starters. Can you open the trunk with the remote--that is, use the key after you've hit the remote to open all the doors?

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  • I have checked the fuse panel and do not see anything that would match my problem. The trunks and fuel door do not open with the remote- or the button inside the car, and I have no key entry for the trunk... :cry:
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 64,473
    Well if the car were in front of me, I'd by-pass the trunk button and see if the switch is bad, or if the circuit is even getting current, and if NO and NO, then pull each fuse and look at it and/or test it for continuity. This can't be that big a deal.

    Now you know why when you go into Best Buy you don't see German electronics :sick:

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  • My windows went out this morning- I am so freaked out to be at the mercy of the dealership-
  • I am going to do what you told me to when I get home today- I will check all of the fuses. Thank you ;)
  • It may well be a broken wire in your door. I own A 2000 Passat and my fuel door was dead. Turned out to be a broken wire in the door, not the switch or the actuator.

    Also, a few days later I had a total power failure -- couldn't start the car in the AM though I did have lights and dashboard. That turned out to be a corroded wire in the floor board harness -- they have allegedly fixed that in newer Passats as they are now shrink wrapping the wires in the harness to make them more waterproof.

    Hope this helps.
  • heymikeheymike Posts: 1
    I bought my 2001 TT turbo roadster 96,000 miles ago in Ohio. I was "working on the road" for some of that time/miles, so got service in various states/dealerships. In 2005, the EPC warning light came on, along with a grating sound and feel. The local dealer's Audi diagnostic computer said defective YAW sensor, which was changed. Same problem reoccurred in 2006 +/- 13,000 miles later, with the grating/jerking of the car being so strong at times that it can pull the car left into the on-coming traffic==life-threatening problem!! For the SAME car problem, various Audi diagnostic computers have called for changing the yaw/rotation rate sensor 6 times (changed 4 times), MAF (changed twice), and control module (=central ABS brake computer, connected to Yaw and other sensors). Control module changed. All changes but one done at Audi dealers, I told all dealerships the same story, all claim top-quality work and parts, BUT THE PROBLEM CONTINUES. Audi corporate (AC) refuses to stand behind the dealership work done that has cost me thousands out of pocket, time, danger driving, frustration--"take it back to the last dealership if you think their workmanship was defective". I feel AC should accept that if all their computers/service techs/parts are top notch (yet fail quickly), then there must be something basically defective in this individual car that AC should correct or replace at their expense. We have spent HOURS on the phone with customer service people at AC--all to no avail. I'm open to options and advice.
  • slip180slip180 Posts: 1
    I feel for you man, I have a 2001 225 Coupe and thankfully nothing major with it yet but it has only 65000k on it, what I would do is do major search on the internet and see if other people are having the same problem that you are, if you can prove it is a problem with the manufactoring of the car Audi normally dose something eg: timing belt they will pay for half of the repair if your timing belt gose and takes out your engine. Mabey drive with the ESP off for a bit by doing that you it might minimise how much the computer is checking the yaw sensors tho I am not sure, but warning she has a good amount of understeer if you take a some turns wrong, Other than that man good luck, I will ask a couple of my friends at Audi if this a known problem.
  • kimvetkimvet Posts: 1
    '01 Audi TT with 15K miles (sunshine only car) will start with the standard lights on the dashboard phase (eg everything's "OK") After driving for a while, though not everytime, those two lights pop up on dash. Basically I've ignored them but it just seems odd. I know there are no issues with the ABS for example, and suppose the car should be seen @ Audi. It's just pretty odd to me. Have heard the '01 models have electrical issues.
  • rrtisonrrtison Posts: 1
    Did you ever find out the cause of the battery drain problem with the TT?
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