IllustrationTHE AIR BAG LIGHT ILLUMINATED INTERMITTENTLY. THE OWNER'S MANUAL INDICATED THAT THE AIR BAG MAY NOT OPERATE IN AN ACCIDENT WHEN THE LIGHT IS ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER FOR A CHECKUP BUT WAS UNABLE TO FIND THE CAUSE OF THE PROBLEM. *AK *NM
2000 Audi A4
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2000 Audi A4 do not stand out strongly from the model-year median of 76.5.
About this comparison →How this year compares
Owner complaints by model year
Compare all A4 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
20–25K
1325–50K
1550–75K
1475–100K
2100–150K
3150K+
49 reports with mileage · 47 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.
- Service Brakes, Hydraulic. Review the 47 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 11 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 11 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 reports2 fire reports1 injury reports
What owners actually said
96 reportsCAR HAS ONLY 62,000 MILES, BUT ANTI-LOCK BRAKE SYSTEM CONTROLLER FAILED. MANUFACTURER REFUSED TO REPLACE; REPLACED AT MY EXPENSE. *JB
FAULTY ABS CONTROL MODULE...CAUSE LOSS OF ABS BRAKING IN 2000 AUDI A4 WITH ON 60K MILES. THIS HAS CAUSE MANY CLOSE CALLS AS IT IS $1500 TO REPAIR. *AK
PASSENGER FRONT BRAKE PAD SEPATATED FROM THE METAL BACKING PLATE WHILE WITHIN SERVICE SPECIFICATION (0.25 IN OF PAD) AND RESULTED IN LONG BRAKING DISTANCES AND GREATLY REDUCED PEDAL PRESSURE. PEDAL PRESSURE COULD NOT BE RECOVERED UNDER REPETITIVE BRAKE ACTUATIONS. THE CAR BECAME UNSAFE TO OPERATE AT ANY SPEED. THERE WAS NO WA…
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PASSENGER FRONT BRAKE PAD SEPATATED FROM THE METAL BACKING PLATE WHILE WITHIN SERVICE SPECIFICATION (0.25 IN OF PAD) AND RESULTED IN LONG BRAKING DISTANCES AND GREATLY REDUCED PEDAL PRESSURE. PEDAL PRESSURE COULD NOT BE RECOVERED UNDER REPETITIVE BRAKE ACTUATIONS. THE CAR BECAME UNSAFE TO OPERATE AT ANY SPEED. THERE WAS NO WARNING BEFORE THE FAILURE. AUDI OF AMERICA REFUSES TO REPLACE THE DEFECTIVE PART UNDER AUDI ASSURED WARRANTY STATING THAT THIS IS NOT RELATED TO A MANUFACTURERS DEFECT. *AK
12/5/02 VEHICLE TAKEN TO PALISADES AUDI FOR 48,000/3 YEAR MAINTENANCE SERVICE AND TIRE ROTATION. 1/28/03 WHILE TRAVELING STRAIGHT AHEAD AT APPROXIMATELY 25 MPH ON UPHILL CITY STREET, VEHICLE SUDDENLY PULLED TO THE RIGHT AND WAS UNABLE TO STEER. WHEN VEHICLE STOPPED FOUND TIRE, SUSPENSION, BALL JOINT, CONTROL ARM, ETC. ON RIG…
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12/5/02 VEHICLE TAKEN TO PALISADES AUDI FOR 48,000/3 YEAR MAINTENANCE SERVICE AND TIRE ROTATION. 1/28/03 WHILE TRAVELING STRAIGHT AHEAD AT APPROXIMATELY 25 MPH ON UPHILL CITY STREET, VEHICLE SUDDENLY PULLED TO THE RIGHT AND WAS UNABLE TO STEER. WHEN VEHICLE STOPPED FOUND TIRE, SUSPENSION, BALL JOINT, CONTROL ARM, ETC. ON RIGHT FRONT HAD TOTALLY DISCONNECTED FROM VEHICLE. VEHICLE DEEMED TOTALED BY CENTRAL MUTUAL INSURANCE CO. *JB
COMPLAINT RECEIVED VIA E-MAIL." THE ABS MODULE MALFUNCTIONS WHEN THE BRAKE PEDAL IS DEPRESSED AT 30 MPH AND SLOWER, THE PEDAL BEGINS TO THUMP AND KICK BACK AT MY FOOT. THE NOISE IS SO LOUD THAT IT CAN BE HEARD OVER THE STEREO. EVEN THE REAR PASSENGERS CAN HEAR THE NOISE. I FEEL AS THOUGH MY STOPPING DISTANCE IS EXTENDED BY THIS…
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COMPLAINT RECEIVED VIA E-MAIL." THE ABS MODULE MALFUNCTIONS WHEN THE BRAKE PEDAL IS DEPRESSED AT 30 MPH AND SLOWER, THE PEDAL BEGINS TO THUMP AND KICK BACK AT MY FOOT. THE NOISE IS SO LOUD THAT IT CAN BE HEARD OVER THE STEREO. EVEN THE REAR PASSENGERS CAN HEAR THE NOISE. I FEEL AS THOUGH MY STOPPING DISTANCE IS EXTENDED BY THIS. THIS IS NOT ONLY ANNOYING BUT ALSO DANGEROUS IN INCLEMENT WEATHER CONDITIONS. THE MANUFACTURE HAS NOT ANSWER FOR WHAT CAUSING THIS. THE DEALERSHIP HAS DONE ALL THEY COULD WITH THE EQUIPMENT SUPPLIED BY THE MANUFACTURE. THEY REPLACED THE MODULE, BUT DON'T KNOW IF THAT WILL FIX THE PROBLEM.*JB MODULE WAS NOT REPLACED. *TC
AUDI A4 2000, FAULTY ABS MODULE. *BF *JB
TWO OF THE VEHICLE'S ALLOY WHEELS BECAME BENT WHEN HITTING ROAD HAZARDS. *NM *TC
PERSISTENT FAILURE OF THE CENTER DIFFERENTIAL TRANSMISSION COMPONENT. THERE WERE NO EVENTS LEADING UP TO THE FAILURE, OTHER THAN NORMAL OPERATION OF THE VEHICLE. THE PART WAS REPLACED AT 70,000 MILES BY SEWICKLEY AUDI AND PARTIALLY COVERED BY WARRANTY (75%). THE CENTER DIFFERENTIAL WAS REPLACED AGAIN AND AGAIN AT 100,000 MILE…
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PERSISTENT FAILURE OF THE CENTER DIFFERENTIAL TRANSMISSION COMPONENT. THERE WERE NO EVENTS LEADING UP TO THE FAILURE, OTHER THAN NORMAL OPERATION OF THE VEHICLE. THE PART WAS REPLACED AT 70,000 MILES BY SEWICKLEY AUDI AND PARTIALLY COVERED BY WARRANTY (75%). THE CENTER DIFFERENTIAL WAS REPLACED AGAIN AND AGAIN AT 100,000 MILES (ALONG WITH THE WHOLE TRANSMISSION) - NOT COVERED BY WARRANTY. AUDI SERVICE (AT PAUL MILLER AUDI) REPLACED THE ENTIRE TRANSMISSION FOR A VERY COSTLY REPAIR ($8,800) AND STATED THAT A FAILURE OF THE CENTER BEARING IN THE TRANSMISSION OCCURED PRIOR TO THE FAILURE OF THE FIRST CENTER DIFFERENTIAL. *LA
MY CAR HAS LESS THAN 50,000 MILES AND I HAVING ABS BRAKE PROBLEMS. THE BRAKES PULSE A LOW SPEEDS FOR NO APPARENT REASON. THERE ARE NO WARNING LIGHTS DISPLAYED FROM A FAILURE IN THIS SYSTEM. THIS CAR HAS NOT BEEN IN ANY ACCIDENTS AND IT WAS DEALER MAINTAINED UNTIL THE WARRANTY RAN OUT 1 YEAR AGO.*AK
Official recalls
221V470000 · 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.
20V056000 · Air Bags:frontal:driver Side:inflator Module
Jan 31, 2020
Volkswagen Group of America, Inc. (VW) is recalling certain 2000-2001 TT Roadster, 2000 TT Coupe, 1999 Audi A8, 1998-2000 Audi A6, and 1999-2000 Audi A4 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 air bag inflator with an alternative inflator when the parts become available, free of charge. Owner notifications were mailed September 21, 2021. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69BT.
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
3PE02008 · 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.
EA00021 · Degraded Braking In Wet Weather
Opened Aug 11, 2000 · Closed Mar 29, 2002
Status: closed (inferred from source dates) · Service Brakes, Hydraulic
There is no summary currently available
PE00016 · Degraded Braking Wet Weather Condition
Opened Apr 4, 2000 · Closed Aug 11, 2000
Status: closed (inferred from source dates) · Electrical System
There is no summary currently available