Driver side: inflator module
Risk. In the event of a crash necessitating air bag deployment, the air bag may not properly protect the occupant, increasing the risk of serious injury or death.
NHTSA has logged 96 owner complaints about the 2000 Audi A4, most often about the service brakes, hydraulic. It is covered by 2 safety recalls, and for recall 20V-056 the manufacturer reports only 2% of affected cars repaired.

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through June 23, 2021. Updated daily. Photo: Vauxford, CC BY-SA 4.0.
96 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Service brakes, hydraulic | 47 | 3 |
| Electrical system | 11 | 1 |
| Engine and engine cooling | 11 | 0 |
| Power train | 8 | 1 |
| Air bags | 6 | 1 |
| Visibility | 5 | 0 |
| Suspension | 3 | 2 |
| Service brakes, electric | 3 | 0 |
| Vehicle speed control | 2 | 1 |
| 10 other systems | 12 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. In the event of a crash necessitating air bag deployment, the air bag may not properly protect the occupant, increasing the risk of serious injury or death.
Risk. In the event of a crash necessitating air bag deployment, the air bag may not properly protect the occupant, increasing the risk of serious injury or death.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Audi.
82kmiles, median
Based on the odometer reading in 20 service brakes, hydraulic complaints. 90% were reported before 100,000 miles.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the A4 median. How we score
Federal investigations that included the 2000 Audi A4, and the recalls they led to.
Recent service brakes, hydraulic complaints filed with NHTSA, shortened. Personal details are removed.
THE ABS AND BRAKE LIGHT IS FLASHING ON MY DASH BOARD. THE REPAIR SHOP SAYS THAT THE ABS CONTROL MODULE NEEDS TO BE REPLACED. THE COST IS ABOUT $1000! MY CAR HAS ABOUT 120,000 MILES ON IT. *TR
THERE ARE HUNDREDS OF COMPLAINTS ONLINE ABOUT THE ANTI-LOCK BRAKING FAILING IN AUDI'S AND VW'S BUILT BETWEEN 1996 AND 2001. ACCORDING TO MY MECHANIC, THIS IS A VERY COMMON PROBLEM THAT THEY'VE SEEN A LOT OF. SEE MANY OWNERS DISCUSSING THE PROBLEM HERE:…
HELLO: RECENTLY I HAD A FAILURE WITH THE ABS BRAKING SYSTEM ON MY 2000 AUDI A4, 2.8L. THIS FAILURE WAS VERIFIED BY THE AUDI DEALER IN WILMINGTON, DE. FROM THE DEALER AND ACCORDING TO MANY ARTICLES, THIS FAILURE IS COMMON WITH THIS MAKE. SO COMMON, THAT AUDI/VW DID A RECALL ON VW'S, BUT NOT ON…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.