Total Complaints
2 filings
AUDI TTS · model year
2009 AUDI TTS
2 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2009AUDITTS carries 2 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2009 TTS is engine and engine cooling with 1 filings, followed by engine and engine cooling:engine:engine control module (ecu/ecm) (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 9 investigation files overlapping the 2009 TTS. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
2
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING | 1 |
| ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM) | 1 |
Recent Complaints
20240827ENGINE AND ENGINE COOLING
The contact owns a 2009 Audi TTS. The contact stated while driving 55 MPH, the vehicle lost motive power. The contact stated that several unknown warning lights were illuminated on the instrument panel. The vehicle was towed to an independent mechanic where it was diagnosed and determined that the water pump and the ECM module had failed and needed to be replaced. The contact stated that the water pump had been replaced, but the ECM module was not replaced. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 99,964.
Mileage: 99,964
20240827ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
The contact owns a 2009 Audi TTS. The contact stated while driving 55 MPH, the vehicle lost motive power. The contact stated that several unknown warning lights were illuminated on the instrument panel. The vehicle was towed to an independent mechanic where it was diagnosed and determined that the water pump and the ECM module had failed and needed to be replaced. The contact stated that the water pump had been replaced, but the ECM module was not replaced. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 99,964.
Mileage: 99,964
Compare 2009AUDITTS to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2009 AUDI TTS have?▼
The 2009 AUDI TTS has 2 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2009 AUDI TTS?▼
The most-complained component for the 2009 AUDI TTS is ENGINE AND ENGINE COOLING with 1 complaints. Other frequently reported areas include ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM).
Is the 2009 AUDI TTS safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.