2004 Audi TT problems & reliability
25 owner complaints filed with NHTSA for the 2004 Audi TT, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Federal crash records (FARS 2020–2023): 2004 Audi TT vehicles were involved in 3 fatal crashes with 2 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train → | 18 | 72% |
| Electrical System | 5 | 20% |
| Fuel/propulsion System | 2 | 8% |
| Unknown OR Other | 2 | 8% |
| Air Bags | 1 | 4% |
| Electronic Stability Control (esc) | 1 | 4% |
| Engine | 1 | 4% |
| Fuel System, Other | 1 | 4% |
| Tires | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 55,501 miles (middle 50% between 38,675 and 81,000 miles), based on 23 complaints that included mileage.
Complaints by incident year
What owners report
“Car jerks violently audi dealership state they will not fix this issue although my car falls under this campaign https://static.nhtsa.gov/odi/rcl/2004/rcrit-04v007-5629.pdf audi campaign ja (04v-007) direct shift automatic transmission replace dual clutch”
Unknown OR Other · filed Jul 9, 2019
“Airbags not working due car sitting and battery running low. Low battery triggered code 65535 which makes all the airbags in the vehicle inoperative.”
Air Bags · filed Sep 25, 2018
“Fuel sensor not working properly; while having gas, once tank meter reads 1/2, the engine shot-down, incorrectly telling that the tank is empty. Same issues with the cathalytic converter system. Engine's transmission wearing fast; pushing back and fort while accelerating.”
Fuel/propulsion System · filed May 24, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
131 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Audi TT. The 10 most recent:
This bulletin provides information on the additional reporting requirements for safety related inquiries.
A0023742052680_4 · Service Bulletin/Repair Instructions · issued Oct 4, 2023
This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
SM 48-2022 · Service Bulletin/Repair Instructions · issued Jun 15, 2022
This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
SM 32-2022 · Service Bulletin/Repair Instructions · issued Apr 5, 2022
This informational bulletin explains how to order replacement VIN plates, Safety Certification Labels, etc.
A0021482021205_6 · Service Bulletin/Repair Instructions · issued Jun 25, 2021
This informational bulletin states to not replace parts for the beveling groove as it is normal.
A3720992060148_1 · Service Bulletin/Repair Instructions · issued Jul 13, 2020
This information bulletin contains instructions for technicans on how to ensure their TAC call goes smoothly.
A0020362002047_1 · Service Bulletin/Repair Instructions · issued Apr 16, 2020
Exterior lights, moisture accumulation 2013-2021 A3 Cabriolet, 2016-2018 Sportback, 2004-2005 A4 Cabriolet, 2004-2008 S4 Cabriolet, 2008 RS4 Cabriolet, 2010-2021 A4 allroad, 2018-2021 A5 Sportback, 2010-2012, 2018-2021…
A9419182012749_1 · Service Bulletin/Repair Instructions · issued Dec 6, 2019
New document 2004-2020 A4 allroad, A6 allroad, A8L, R8 Spyder
20AUTIRECHAINS · Service Bulletin/Repair Instructions · issued Dec 4, 2019
The part number listed in the document is to be returned if it meets the criteria provided.
SM 102-2019 · Service Bulletin/Repair Instructions · issued Oct 31, 2019
This bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage.
A0019262052680_2 · Service Bulletin/Repair Instructions · issued Sep 30, 2019
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2004 Audi TT has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2004 Audi TT?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 55,501 miles — budget accordingly if the car is approaching that mileage.