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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

What owners actually said

131 reports
82,789 miles · Jan 3, 2005
Service Brakes, Hydraulic

FRONT BRAKE PADS SEPARATED FROM THEIR BACKING PLATES.*AK

NHTSA ODI #10105642

69,000 miles · Dec 30, 2004
Service Brakes, Air

FAILURE OF ABS CONTROLLER IN 2001 AUDI A4 1.8T. WAS TOLD BY DEALER THAT ENGINE HEAT MELTS SOLDERING IN UNIT. $1,300 ESTIMATED REPAIR ($1,000 FOR PART ALONE). INTERMITTENT FAILURE LIGHT AND BEEP WHEN DRIVING, ABS NOT ACTIVE WHEN LIGHT IS BLINKING. I'VE READ ON AUDI WEBSITES THAT THIS IS A COMMON FAILURE THAT AUDI OF AMERICA R…

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FAILURE OF ABS CONTROLLER IN 2001 AUDI A4 1.8T. WAS TOLD BY DEALER THAT ENGINE HEAT MELTS SOLDERING IN UNIT. $1,300 ESTIMATED REPAIR ($1,000 FOR PART ALONE). INTERMITTENT FAILURE LIGHT AND BEEP WHEN DRIVING, ABS NOT ACTIVE WHEN LIGHT IS BLINKING. I'VE READ ON AUDI WEBSITES THAT THIS IS A COMMON FAILURE THAT AUDI OF AMERICA REFUSES TO TAKE STEPS TO RECTIFY EITHER MONETARILY OR THROUGH REDESIGN OF THE CONTROLLER TO PREVENT FUTURE FAILURES.*AK

NHTSA ODI #10104772

53,153 miles · Oct 22, 2004
Suspension

WHILE DRIVING AT 10 MPH OR LESS VEHICLE MADE A CRACKING/POPPING NOISE. VEHICLE WAS TAKEN TO A REPAIR SHOP. MECHANIC INFORMED THE CONSUMER THAT THE LOWER CONTROL ARM NEEDED TO BE REPLACED. DEALER WAS NOT NOTIFIED.*AK

NHTSA ODI #10097497

52,153 miles · Oct 20, 2004
Air BagsEngine And Engine Cooling

02 V 131 001/FMVSS 201 AIR BAG DEPLOYMENT & 04 V 357 000/CAMSHAFT POSITION SENSOR/MIL: THE CONSUMER RECEIVED BOTH OF THESE RECALL NOTICES AND WAS UNABLE TO LOCATE A AUTHORIZED SERVICE CENTER WITHIN HER AREA. *JB

NHTSA ODI #10097268

53,500 miles · Oct 5, 2004
Engine And Engine Cooling

MALFUNTION INDICATOR HAD BEEN ON BEFORE I DEPLOYED TO IRAQ AND WAS STILL ON WHEN I CAME BACK. I BROUGHT IT TO THE DEALOR FOR THE $50,000 MILE SCHEDULED MAINT. LESS THAN 2 MONTHS LATER, I STARTED THE CAR AT A STORE AND HEARD A LOUD POP, THE ENGINE STARTED IDLING HARD AND WAS VERY NOISY. I WAS ABLE TO DRIVE IN FIRST GEAR THE TW…

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MALFUNTION INDICATOR HAD BEEN ON BEFORE I DEPLOYED TO IRAQ AND WAS STILL ON WHEN I CAME BACK. I BROUGHT IT TO THE DEALOR FOR THE $50,000 MILE SCHEDULED MAINT. LESS THAN 2 MONTHS LATER, I STARTED THE CAR AT A STORE AND HEARD A LOUD POP, THE ENGINE STARTED IDLING HARD AND WAS VERY NOISY. I WAS ABLE TO DRIVE IN FIRST GEAR THE TWO BLOCKS TO MY HOUSE BUT THE CAR WAS VERY SHAKY. THE SPARK PLUG HAD SHOT OUT, THERE WAS OIL AND GRIME ALL OVER IT AND THE THREADS OF THE CYLINDER WERE STRIPPED. MY FRIEND IN THE CAR, WHO HAS WORKED ON PORSHES BEFORE, SAID I WAS LUCKY THIS HAPPENED WHEN IT DID BECAUSE IF I WAS DRIVING ON THE HIGHWAY AT A HIGH SPEED, I PROBABLY WOULD HAVE BEEN SERIOUSLY HURT IN AN ACCIDENT. THE COST OF REPAIR IS ESTIMATED AT $5100 AND THE DEALOR SAID THAT THERE WAS NO TAMPERING WITH THE SPARK PLUGS FOR ALMOST A YEAR SO THIS "JUST HAPPENED" DUE TO "WEAR AND TEAR." THE CAR IS 3 YEARS OLD AND MOST THE MILES ARE HIGHWAY MILES DUE TO SEVERAL TRIPS CROSS COUNTRY. I AM NERVOUS TO THINK WHAT WILL GO WRONG WHEN THE CAR GETS A LITTLE OLDER. *AK

NHTSA ODI #10093627

68,000 miles · Sep 10, 2004
Electrical System

I OWN A 2001 AUDI A4 AVANT 1.8T THAT I TOOK DELIVERY IN AUGUST 2000. LATE LAST YEAR, AUGUST-OCTOBER 2003, I NOTICED THAT THE INSTRUMENT CLUSTER'S CENTER LCD DISPLAY STARTED TO FADE ON THE TOP PART. LATER ON I FIGURED OUT THAT IT WOULD HAPPEN AFTER THE CAR HAS BEEN UNDER THE HEAT OF THE SUN FOR A WHILE. I DIDN'T DO ANYTHING BE…

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I OWN A 2001 AUDI A4 AVANT 1.8T THAT I TOOK DELIVERY IN AUGUST 2000. LATE LAST YEAR, AUGUST-OCTOBER 2003, I NOTICED THAT THE INSTRUMENT CLUSTER'S CENTER LCD DISPLAY STARTED TO FADE ON THE TOP PART. LATER ON I FIGURED OUT THAT IT WOULD HAPPEN AFTER THE CAR HAS BEEN UNDER THE HEAT OF THE SUN FOR A WHILE. I DIDN'T DO ANYTHING BECAUSE I FIGURED IT'S JUST MY CAR AND I'VE ALREADY GONE THROUGH MY WARRANTY PERIOD (4 YEARS/50,000MILES) AS MY CAR ALREADY HAVE 70K MILES ON IT. THEN I STARTED HEARING FROM FELLOW AUDI OWNERS THAT I MET THAT IT'S HAPPENING TO THEIR CARS TOO. ONE HAS A 2001 AUDI A4 SEDAN WITH 30K MILES AND THE OTHER WITH A 2001 S4 SEDAN, BOTH REPLACED UNDER THE WARRANTY. ANOTHER IS A 2002 AUDI TT, BUT HE'S LUCKED OUT BECAUSE HE HAS MORE THAN 50K MILES TOO (OUT OF THE WARRANTY). WHAT I'M CURIOUS IS WHETHER THERE'S BEEN ANY REPORTED SIMILAR CASE? I FEEL THAT THE DAMAGE IS NOT CAUSED BY THE WEAR AND TEAR OF THE LONG-DISTANCE DRIVEN CAR. MAYBE THIS IS A TYPE OF DEFECT?

NHTSA ODI #10090746

40,000 miles · Sep 1, 2004
Vehicle Speed ControlCrash

I WAS PULLING INTO A CONVENIENCE STORE PARKING LOT. AS I PULLED INTO THE SPACE IN FRONT OF THE STORE AND STEPPED ON THE BRAKE, RATHER THAN SLOWING DOWN THE CAR PICKED UP SPEED. NO MATTER HOW HARD I PRESSED ON THE BRAKE THE CAR DID NOT STOP. IT SUDDENLY SHOT FORWARD. THE CAR HIT A BRICK WALL OF THE COVENIENCE STORE ,- CRACKIN…

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I WAS PULLING INTO A CONVENIENCE STORE PARKING LOT. AS I PULLED INTO THE SPACE IN FRONT OF THE STORE AND STEPPED ON THE BRAKE, RATHER THAN SLOWING DOWN THE CAR PICKED UP SPEED. NO MATTER HOW HARD I PRESSED ON THE BRAKE THE CAR DID NOT STOP. IT SUDDENLY SHOT FORWARD. THE CAR HIT A BRICK WALL OF THE COVENIENCE STORE ,- CRACKING THE BRICKS AND DAMAGING THE FRONT OF MY CAR. I WAS IN THE CAR WITH MY TWO DAUGHERS. THE CAR SHOR FORWARD SO QUICKLY, MY DAUGHTER THOUGHT WE WERE HIT FROM BEHIND.*AK

NHTSA ODI #10088974

56,000 miles · Jul 24, 2004
Engine And Engine Cooling

AUDI A4 1.8T OIL PUMP FAILURE CAUSES CAM ADJUSTER FAILURE, CAUSING POSSIBLE $8000 IN DAMAGE TO CAMS IN 1.8T MOTOR.*AK

NHTSA ODI #10082575

36,000 miles · Jul 6, 2004
Unknown Or Other

WHILE DRIVING THE VEHICLE STALLED. THE CONSUMER WAS ABLE TO RESTART THE VEHICLE AND PULLED OVER AT WHICH TIME THE VEHICLE STALLED AGAIN. THE CONSUMER HAD THE VEHICLE TOWED TO THE DEALER FOR INSPECTION. THE MECHANIC INFORMED THE CONSUMER THAT TRANSMISSION FLUID HAD BEEN ADDED TO THE BRAKE FLUID WHICH CAUSED THE BRAKE SYSTEM TO …

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WHILE DRIVING THE VEHICLE STALLED. THE CONSUMER WAS ABLE TO RESTART THE VEHICLE AND PULLED OVER AT WHICH TIME THE VEHICLE STALLED AGAIN. THE CONSUMER HAD THE VEHICLE TOWED TO THE DEALER FOR INSPECTION. THE MECHANIC INFORMED THE CONSUMER THAT TRANSMISSION FLUID HAD BEEN ADDED TO THE BRAKE FLUID WHICH CAUSED THE BRAKE SYSTEM TO FAIL. *NM *JB

NHTSA ODI #10074259

Mileage unknown · May 18, 2004
Engine And Engine CoolingFire

WHILE DRIVING 60-65 MPH, THE VEHICLE LOST POWER WITH THE DASHBOARD FLASHING. THE CONSUMER BEGAN SMELLING BURNT WIRES AND NOTICED SMOKE COMING FROM UNDER THE HOOD. THE CONSUMER PULLED OVER AND OPENED THE HOOD. UPON DOING SO, FLAMES SHOT OUT. *JB

NHTSA ODI #10073835

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.