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2001 Audi A4

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2001 Audi A4 do not stand out strongly from the model-year median of 76.5.

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When problems were reported

Mileage at the reported incident

86 reports with mileage · 45 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 35 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 31 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports9 fire reports1 injury reports

Service Brakes, Electric complaints

2 reports
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81,400 miles · Jan 14, 2010
Service Brakes, Electric

FAILURE OF ABS BRAKE CONTROL UNIT IN AN AUDI 2001 A4 WHILE DRIVING ON THE FREEWAY WITH SNOW. IT OCCURRED IN SALT LAKE CITY, UTAH. ABS BRAKE LIGHT CAME ON AND THE ABS BRAKES WEREN'T WORKING DRIVING ON SNOW AND NEEDED TO BE REPLACED. $710.00 WAS THE COST OF THE REPAIR FOR A FAULTY UNIT AND A VERY COMMON PROBLEM THAT AUDI KNOWS AB…

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FAILURE OF ABS BRAKE CONTROL UNIT IN AN AUDI 2001 A4 WHILE DRIVING ON THE FREEWAY WITH SNOW. IT OCCURRED IN SALT LAKE CITY, UTAH. ABS BRAKE LIGHT CAME ON AND THE ABS BRAKES WEREN'T WORKING DRIVING ON SNOW AND NEEDED TO BE REPLACED. $710.00 WAS THE COST OF THE REPAIR FOR A FAULTY UNIT AND A VERY COMMON PROBLEM THAT AUDI KNOWS ABOUT IT. GOOD THING THAT I WAS GOING REALLY SLOW AND I WAS EXITING THE SLIPPERY FREEWAY AT THE TIME AND I DIDN'T SLIDE. THANK YOU! *TR

NHTSA ODI #10299792

11,000 miles · Sep 24, 2009
Service Brakes, Electric

ABS ELECTRICAL MODULE THAT HAS FAILED AND IS APPARENTLY A HUGE PROBLEM, IT AFFECTS THE BRAKING SYSTEM. *TR

NHTSA ODI #10285137

Official recalls

1

21V470000 · Air Bags:frontal:driver Side:inflator Module

Jun 23, 2021

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2000-2001 Audi TT Coupe, TT Roadster, 2000-2002 A4, and S4 vehicles equipped with Non-Azide Driver Air Bag Inflators (NADI) that do not contain phase stabilized ammonium nitrate (PSAN) propellant. Due to a manufacturing issue, the NADI inflators may absorb moisture, possibly causing the air bag to deploy improperly in the event of a crash.

Consequence & remedy

Consequence: 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.

Remedy: Dealers will replace the driver frontal airbag inflator with an alternative inflator, free of charge. Owner notification letters were mailed November 2, 2021. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69CJ.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE02008 · Brake And Clutch Pedal Bracket

Opened Jan 23, 2002 · Closed Jul 12, 2002

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

No summary supplied.