Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
52,122 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2004 Audi TT drivetrain problems

drivetrain problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2004 Audi TT:

Unsubscribe any time. We don't sell/share your email.

2004 Audi TT Owner Comments

problem #6

Dec 122014

TT 6-cyl

  • 49,000 miles


The first week of Dec 2014, I had been hearing a sporadic, whooting noise from the floor of my Audi Tt 2004 (49,000 miles). I brought my vehicle into the dealership on 12/05/14. Aside from some other non-critical repairs, the dealership could not find a cause for the noise and it was released. As I was driving the vehicle back to the dealership on 12/12/14 to pick up my other vehicle, I had significant issues. I was driving along North ave at 35 - 40 mph in rush-hour traffic. As I was driving, the vehicle suddenly shifted into neutral and began to rapidly slow. In an effort to avoid a serious rear-end collision, I quickly engaged the hazard lights and slowed to a stop. Once stopped, I shifted into park (not certain if it actually shifted to park at this point), shut of the engine, and re-started. Fortunately, the vehicle made it safely to the dealership without another incident that day. The following week on 12/15/14, the dealer ran diagnostics on the vehicle. They noted a fault in the transmission, but could not determine the cause and after running 10 miles, noted that it was running well. In an effort to continue troubleshooting, the dealer used my vehicle to run errands. As they turned onto ogden ave (westmont, il), they had the same problem with the vehicle shifting spontaneously into neutral. I do not know the full details of that incident, but can imagine it was also a close call as ogden ave is a busy, four-lane road. The official diagnosis was that it needs a mechatronics unit replacement. I am grateful that this incident did not happen on the highway and that I was not driving in front of a more aggressive driver (who may have otherwise collided with my vehicle). I believe this is a serious safety concern as it occurs while the vehicle is in motion, it occurs on a sporadic basis, and it is evidently undetectable at the dealership.

- La Grange, IL, USA

problem #5

Nov 302012


  • miles
The transmission slips violently between 2 nd and 3 rd gear. There was a complete loss of power with the pedal down completely. After research have discovered that the design of these triptonic transmissions which can be switched from manual to automatic are faulty and costly to repair. I am considering a valve body replacement which may or may not fix the problem. Audi does not stand behind their product. This is a common problem among Audi owners.

- Carmel, CA, USA

problem #4

Jul 262012


  • 65,232 miles
While driving on the freeway, the transmission suddenly went to neutral. With no power and at 70mph, I was forced into an unsafe maneuver, cutting drivers off in order to get onto the shoulder lane. I was towed to a nearby Audi dealership around 11:00pm. 3 business days later, they called me with the results; the mechatronics (transmission computer) was faulty and was estimated to cost $2800 for the repair. This issue with VW's dsg transmission is widespread as owners at various mileages have reported broken mechatronics units. My vehicle has 65K miles and replacing a transmission at that mileage is absurd.

- Houston, TX, USA

problem #3

May 222012


  • 70,000 miles


The contact owns a 2004 Audi TT1.8 coupe. The contact stated while driving 45 mph, the vehicle would jerk in between gears and stall. After the failure, the vehicle could not be shifted in or out of any gear. By turning the engine off and then restarting, the failure would correct itself but would recur after several minutes. The vehicle was taken to the dealer who advised the contact that they needed to replace the transmission. The manufacturer was notified of the failure who offered to buy the vehicle back but the contact refused. The failure mileage was 70,000.

- Palisade, CO, USA

problem #2

Jan 182012

TT 6-cyl

  • 81,000 miles
Mechatronic valve control module failure going into neutral or changing down at highway cruise. Most dangerous occurrence: Slipping clutch and not engaging first gear properly. I was nearly hit by a car traveling at 60mph while limping across an intersection. Could have been fatal.

- Suffield, CT, USA

Search for these popular complaint phrases...

problem #1

Nov 032010

TT 6-cyl

  • 47,500 miles
Operating vehicle at normal surface street and highway conditions - dsg transmission disengages putting vehicle into neutral and eliminating all power train response. This failure has occurred twice within the first five days of operation - 1 @ surface coasting as approach to intersection - then accelerate - system initiated a auto shift sequence that resulted in neutral, and required system (ignition ) restart. 2@ freeway coasting as approaching slower vehicle - then accelerate - system initiated a auto shift sequence that resulted in neutral, and required system (ignition ) restart. No repair has been done to correct issue - still working with dealer.

- Phelan, CA, USA

Not what you are looking for?