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Audi TT Electrical System Problems



  • kperesskperess Posts: 29
    It might well be a computer component. As Audi uses many of the same components as VW my experience with my '00 Passat may be of help. I kept getting an error regarding my ABS and it turned out to be a chip that dealt with the ABS -- was told that I might not want to keep driving without fixing as it could affect the ABS when needed most. The darned chip was not cheap -- cost over $500 but that's what you get when driving VWs and Audi's -- great handling and idiosyncratic repairs (BTW have owned many VW's, currently own an '00 and '04 Passat and am looking seriously at an '08 TT 2.0).

    Hope this helps

  • joice2800joice2800 Posts: 3
    yes it was the altenetor was bad,
  • Hey there.

    Did you ever figure out what was wrong with it?
    I have the same problem but bit more complicated.
    The trunk, gas lid and the convertible top won't work as well as some of the inside lights.

    I have had the alternator changed in the past and have had problems with the battery draining too fast.


  • please reply here.
  • joice2800joice2800 Posts: 3
    men i don't know the proble was the alternator tha it i'm sorry but i don't know what is :cry:
  • After fitting a new battery to my 2001 TT, the next morning when the key was turned the needles on the dashpod kept flickering for about two minutes and then stopped. After resetting the time etc. it was okay for the rest of the day but now this happens every morning.
  • For those of you that have had problems with your instrument cluster going bad and giving you false readings such as the gas gauge not reading correctly, false codes, etc, you are not alone. I had problems too with my gas gauge not reading properly after I bought a used 2001 Audi TT quatro roadster. I bought it in 2004 with 57,000 miles and less than a year later the gas gauge started acting irradically. I took it in to my mechanic who works on European import cars and he tested the fuel tank sender, etc (also my ABS and another warning light would come on and off sporadically). He suspected the cluster and said I had to go to the dealer (2-1/2 hrs away) to have it repaired and it would cost at least 1,000 or more to fix. That was more than I wanted to spend so I just used my trip meter to gauge my fuel and never went more than 300 miles without filling up. Then earlier this year I got a notice from Audi saying that there was a lawsuit against them and in order to settle the suit, Audi would replace the instrument cluster if your car had a certain vehicle ID# ending in XXXXX and your car was under 5 years from when it was put into service and you could prove that your cluster was bad. They would reimburse those who paid to have the cluster replaced and for those who had proof that the cluster was bad within those perameters, they would allow you to go to an Audi dealer and have your cluster replaced. I sent them proof of my cluster being suspected of being faulty and a few months later Audi sent me a letter to have my car fixed within 45 days. I took my car into the Audi dealership, thinking they were the experts and knew how to fix it, but I've had nothing but problems (more than before) since they put in the new cluster. My mechanic feels they did not clear the fault codes before putting in and programming the new cluster because my ABS and other warning light still come on and off at will. My fuel gauge even gave me a false reading on day. I was at a 1/2 tank and when I drove to the store and got back in my car it read between 1/2 and 3/4, then I drove to the next store and when I got back in it read 3/4. So far that has been the only time it did that, but the temp gauge reads anywhere from 1/2 (normal) to the line just to the left of it (2nd line) or sometimes just a little bit under the 2nd line. Audi has bad customer service when it comes to complaining about their work and want to pin it on anything but the new cluster. Anyway, the whole point is that Audi is replacing the faulty clusters (they did admit to using faulty clusters in their cars 2000 -2005) so I would suggest you google Audi instrument cluster lawsuit to see if you can get reimbursed or have your car fixed.
  • Did anyone have problems with their seat heater coming on mysteriously? I haven't used my seat heater all summer. A few weeks ago I was going to a seminar and thought my seat was rather "warm" feeling. I thought nothing of it and parked my car. Driving home I noticed that my seat was REALLY hot, as if it was set on the highest setting. I fiddled with the control knob thinking it might turn off on one of the settings but it didn't. I got home and felt the seat, it was really hot so it was not my imagination. When I went to get into my car the next morning it was DEAD!! I thought my seat heater "fried" the electrical system. I called AAA and he looked at it and he could smell an "electrical" smell in my car. He decided to jump start my battery (it was only 3 mo old) and it started. I drove it to my mechanic and he said that it was drawing power (the seat heater was not shutting off when the car was turned off). They took the fuse out to prevent it from doing it again. Has anyone had a similar problem and if so, what was the cause? I think it was related to my faulty cluster but my mechanic is not 100% sure about that, but thinks it might be a remote possibility. When I called the Audi dealer he said it was a faulty switch, but I never touched the button since last winter. Anyone else have the same problem??
  • I have a 2001 TT that has had it's instrument cluster replaced 3 years ago, and has no signs of odd electrical problems. But I have had a message pop up ever time I start the car lately. The car has 102xxx miles and I feel this countdown "Service" message is mileage driven notification. It progressively says service in 1000, then 900, then 800miles, etc.. Until the 300mile mark. Now it says "Service!" upon starting only. I find no obvious issues, and I do work on the car myself when possible using the Bentley manual.
    I know there is a trick to push in both silvere posts on the gauges to erase service codes, but it only seems to do a self-test when I attempt this. Then still displays the predictable the next time I start it.
    Does anyone know if this is a serious issue? Should I just visually check the timing belt (also replaced 3 years ago) and erase the code?
    Any ideas??
    Much appreciated! :shades:
  • digitoo:

    I've had no issues with the seat heater as you've described.

    Nor have I experienced the stuck trunk ot gas lid (to whoever posted that delimma).

    Sorry to be useless, but it's a response. LOL
  • window will not retract or exstend when door is opened or closed any ideas what problem is? 2001 audi tt
  • Did your ever find out why your ABS warning and ! light up on dash as for the past 2 weeks after i have been drivin for a bit the same thing is coming up on my TT
  • Iit will be a year in a couple weeks since I purchased my 2001 Audi TT coupe and for that last 5 months I've been at the shop.

    Head gasket
    Timing Belt
    Radiator (then back again for the plug because I hit a bucket on the free and it emptied out the radiator fluid.ugh.... at 2:30 am :cry: )
    Water pump (exploded into 3 pieces) :mad:
    Switch for radiator fan
    Brake light sensor
    Plus couple other things that I cannot remember :sick:

    Today I was driving home and my battery light came one, along with the ABS and the Emergency brake light was flashing. Oh and some other light with a curvey thing and arrow on the dial for RPMs.

    For the past 2 months the fuel gauge frankly has not felt like working correctly so I've kept the mileage under 300 after filling up.

    One morning last month my gas, trunk and interior alarm buttons would not work. I have a manual but of course it was not in the car. Lucky that I had enough gas to make it to work. I called my mechanic and he told me how to manually open it and it's been working since (crossed fingers and silently praying it will continue).

    There was a mention to a letter from Audi about repairing something and now I know that I must find it the letter or google it.

    So any help on why the brake light flashes, abs and battery light in the center gage and the curvy arrow are on would be awesome.

    Best of luck to all

    Why does something so pretty not work correctly?
  • whitrwhitr Posts: 12
    I too have my brake light flashing, not all the time, but enough. I spoke with the dealership and they told me to not worry about it unless it stayed on solid (not blinking). Oh well. Mine is an '02 TT w/100k miles. Does anyone know what this is; at the bottom of my cluster in the center I have a message that stays on, 99:59h
  • bertolabertola Posts: 3
    i have the same problem i just changed the alternator, and the cars instrument panel is crazy, it seems like the battery is not being charged by the alternator, but is a new installed, can someone help me?
  • bertolabertola Posts: 3
    I just put a new s-line rims and new potenza tires, now is possessed my car is doing the same thing as yours, abs check engine light the odometer went out, all the light in the instrument went out, i replaced the alternator, and still my audi is not working, the battery died again, no fuses were blown, please help me
  • bertolabertola Posts: 3
    I HAve always kept in the garage my 2000 Audi tt with 72 900 miles on it, always babied, just for weekends, one day i was in the car and it suddenly stopped, they told me that the alternator was bad, i change the alternator and the battery, and the car is blinking the ABS, check engine, no odometer, no A/C and the engine was running fine, but after a while the engine died, and the battery was dead too, i check with the Audi Dealer at the MOMENTUM AUDI in HOUSTON TEXAS, they are the worst service in the dealer world, they treat you bad, with no mercy, just to steal your money!!, can someone help me with this problem :confuse:
  • ttmxerttmxer Posts: 1
    Seems I am having the same problem with our 2000 TT Quatro, did they find out what the problem was with yours? I cannot seem to keep the battery charged!!!! Any info appreciated, thanks
  • Ah, I had a drain in the stereo system of my 2000 TT. Audi was not helpful at all in fixing it - they replace the instrument panel but the problem persisted.
    I am thinking it was a short in wiring. Tested head unit, tested amplifier, tested CD unit, tested speakers - no dice. Tested amperage at the fuse box - it spiked intermittently high enough to cause a drain of the battery every 10 days or so. Since I knew it was in the stereo line, but just could not find it, I unplugged the fuse to the stereo when I was not using the car. Drove it that way for 2 years, no problem.
  • susanttsusantt Posts: 3
    I am having cluster problems..where are you located ? I am looking for a GOOD Audi dealer to do repair.
    Any thoughts on how to question them..I am in NYC but can travel to find a good dealer.
  • susanttsusantt Posts: 3
    Where did you have the cluster fixed? I am in NYC and looking for a GOOD dealer. I can travel and looking for a the best repair Audi dealer.
  • susanttsusantt Posts: 3
    I have electrical cluster problem on 2000TT. I had alternator and battery fixed 10 mos ago by foreign motor garage but they now say I have to do to dealer.
    I can travel if someone has had this fixed in the general area.
  • npereranperera Posts: 1
    I bought my almost new TT a month ago as the 2nd owner with just 27Kkm.
    Few days later started to notice that the suspension malfunction light is on and at that point the drive mode select button (sports or comfort mode) stops responding. Local dealer spent almost 4 days trying to fix the problem but with no proper results yet and i am starting to worry now. Any idea guys....?
  • Bertola,

    The exact same thing has happened to my 2001 Audi TT. I have more mileage but it seems to be exactly the same issue...I was driving down the highway and the car started starving for fuel and shut off. It will turn on for about 5-10 seconds and then shut itself off again. I have checked ALL RELAYS, the fuel pump, all wiring that I could think of. I cannot find the problem. Did you ever find out what was wrong with yours?
  • nettlnettl Posts: 3
  • nettlnettl Posts: 3
    I have had the same problem. My key remote was not working. So i had it sincronized with the car and now all is working again.
  • skywvrskywvr Posts: 1
    sounds like the same problem i am having now, im wondering if you could save me some time, did you ever get this resolved?
  • That was a nightmare that lasted months. No one could find out for sure what the problem was. They replaced every computer in the car to no avail. My car ended up totaled because of that. Good luck

  • nettlnettl Posts: 3
  • My 2001 audi tt 225 will not stay running warning light says inproper key. It has happened before but after a few tries would start but gauges died for 20 minutes or so and clock and date reset to aug 7 1998. Any way to fix i live about 2 hrs from closest audi dealer. Any help would be greatly appreciated.
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