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1999 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 1999 Audi A4 are substantially higher than the model-year median of 76.5.

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When problems were reported

Mileage at the reported incident

100 reports with mileage · 90 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 81 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports2 fire reports4 injury reports

Service Brakes, Air complaints

6 reports
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115,000 miles · May 11, 2005
Service Brakes, Air

ABS COMPUTER FAILURED DURING HARD BRAKING. AFTER SEARCHING CAR SITES, IT APPEARS THAT THE VW/AUDI ABS UNITS REGULARLY FAIL RENDERING THE ABS INOPPERABLE. ALTHOUGH THE REGULAR BRAKING CHARACTERISTICS OF THE CAR ARE MAINTAINED, THE ABS NO LONGER FUNCTIONS. HAVING THIS FAIL DURING A PANIC STOP COULD HAVE CAUSED A BAD ACCIDENT. …

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ABS COMPUTER FAILURED DURING HARD BRAKING. AFTER SEARCHING CAR SITES, IT APPEARS THAT THE VW/AUDI ABS UNITS REGULARLY FAIL RENDERING THE ABS INOPPERABLE. ALTHOUGH THE REGULAR BRAKING CHARACTERISTICS OF THE CAR ARE MAINTAINED, THE ABS NO LONGER FUNCTIONS. HAVING THIS FAIL DURING A PANIC STOP COULD HAVE CAUSED A BAD ACCIDENT. THANKFULLY I WAS ABLE TO FIGURE OUT THAT THE ABS UNIT FAILED (DUE TO THE BEEPING) AND CORRECT ACCORDINGLY.

NHTSA ODI #10120717

51,000 miles · Jan 12, 2005
Service Brakes, Air

THE ABS CONTROLLER FAILED. NUMEROUS OTHER OWNERS HAVE EXPERIENCED THIS POSSIBLY SAFELY RELATED FAILURE. THIS PART CONTROLS THE ABS BRAKING AND IF IT FAILS, THE ABS DOES NOT WORK. THIS COULD RESULT IN CRASHES DUE TO DRIVERS EXPECTING ABS SUPPORT DURING HARD BRAKING ONLY TO REALIZE IT IS NOT WORKING. SOME OWNERS HAVE HAD THI…

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THE ABS CONTROLLER FAILED. NUMEROUS OTHER OWNERS HAVE EXPERIENCED THIS POSSIBLY SAFELY RELATED FAILURE. THIS PART CONTROLS THE ABS BRAKING AND IF IT FAILS, THE ABS DOES NOT WORK. THIS COULD RESULT IN CRASHES DUE TO DRIVERS EXPECTING ABS SUPPORT DURING HARD BRAKING ONLY TO REALIZE IT IS NOT WORKING. SOME OWNERS HAVE HAD THIS FIXED OUTSIDE OF AUDI WARRANTY AND WE BELIEVE AUDI IS RUNNING A SILENT RECALL. THIS WEB FORUM DOCUMENTS WHAT COULD BE A SILENT RECALL BY AUDI HTTP://TECH.BENTLEYPUBLISHERS.COM/THREAD.JSPA?THREADID=3409&TSTART=0. THIS PART COSTS AROUND $1500 NEW.*AK

NHTSA ODI #10106162

65,000 miles · Oct 26, 2004
Service Brakes, Air

ABS MODULE FAILED APPROX MAY 2004 AT 65000 MILES. ABS NOT FUNCTIONING AND WARNING LIGHT REMAINED LIT ON DASHBOARD DISPLAY. REPLACED PART WITH USED ABS MODULE FROM ANOTHER AUDI A4. OLD (FAILED) PART IS AVAILABLE.*AK

NHTSA ODI #10096422

70,000 miles · Jun 30, 2004
Service Brakes, Air

DURING ROUTINE COMMUTING TO AND FROM WORK THE ABS WARNING LIGHT COMES ON INTERMITTANTLY. A DIAGNOSIS WAS PERFORMED AND REVEALED A FAILED ABS CONTROL MODULE, RENDERING THE ABS SYSTEM INOPERABLE. THE COST OF REPAIR IS ESTIMATED AT $1500. THE FAILURE IS ATTRIBUTED TO FAULTY ENGINEERING IN THE OEM PART AS THIS FAILURE IS VERY COM…

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DURING ROUTINE COMMUTING TO AND FROM WORK THE ABS WARNING LIGHT COMES ON INTERMITTANTLY. A DIAGNOSIS WAS PERFORMED AND REVEALED A FAILED ABS CONTROL MODULE, RENDERING THE ABS SYSTEM INOPERABLE. THE COST OF REPAIR IS ESTIMATED AT $1500. THE FAILURE IS ATTRIBUTED TO FAULTY ENGINEERING IN THE OEM PART AS THIS FAILURE IS VERY COMMON WITH THIS MODEL AUDI. THE CONSEQUENCE OF THE FAILURE IS ULTIMATELY AN UNPREDICTABLE AND UNSAFE BRAKING SYSTEM AS THE ABS SYSTEM NOW WORKS SPORADICALLY THEN FAILS COMPLETELY. THE PART HAS NOT BEEN REPAIRED AT THIS POINT DUE TO THE EXUBERANT COST.*AK

NHTSA ODI #10079106

71,600 miles · Jun 28, 2004
Service Brakes, Air

PICKED UP CAR AT HOLBERTS AUDI IN WARRINGTON, PA ON JUNE 15, 2004. DEALER REPLACED RIGHT FRON UPPER AND LOWER SUSPENSION LINKS. AFTER LEAVING THE DEALERSHIP, THE ABS LIGHT CAME ON AND THE BRAKE LIGHT BEGAN BLINKING. BROUGHT CAR BACK TO DEALER AND DEALER SAID ABS CONTROL MODULE NEEDS REPLACING. WITHOUT A FUNCTIONING ABS CONTROL M…

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PICKED UP CAR AT HOLBERTS AUDI IN WARRINGTON, PA ON JUNE 15, 2004. DEALER REPLACED RIGHT FRON UPPER AND LOWER SUSPENSION LINKS. AFTER LEAVING THE DEALERSHIP, THE ABS LIGHT CAME ON AND THE BRAKE LIGHT BEGAN BLINKING. BROUGHT CAR BACK TO DEALER AND DEALER SAID ABS CONTROL MODULE NEEDS REPLACING. WITHOUT A FUNCTIONING ABS CONTROL MODULE, THE CAR IS WITHOUT THE INCREASED SAFETY PROVIDED BY ANTI LOCK BRAKES. HAVEN'T REPLACED THE PART YET DUE TO ITS $1,000 PRICE TAG.*AK

NHTSA ODI #10078914

Mileage unknown · Dec 18, 2003
Service Brakes, Air

OUR ABS LIGHT CAME ON THE DAY I PICKED UP THE CAR FROM THE DEALER AFTER GETTING ALL NEW BRAKES DONE. BERNARDI AUDI OF NATICK MA. THEY REFUSE TO BELIEVE THEY ARE TO BLAME.(WHATEVER) MY INDEPENDENT MECHANIC IS SAYING THE CONTROLLER IS DEAD.*AK THIS CAR IS A 1999 AUDI A4 QUATTRO THAT HAD 65,000 MILES ON IT WHEN IT DIED. THE CAR R…

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OUR ABS LIGHT CAME ON THE DAY I PICKED UP THE CAR FROM THE DEALER AFTER GETTING ALL NEW BRAKES DONE. BERNARDI AUDI OF NATICK MA. THEY REFUSE TO BELIEVE THEY ARE TO BLAME.(WHATEVER) MY INDEPENDENT MECHANIC IS SAYING THE CONTROLLER IS DEAD.*AK THIS CAR IS A 1999 AUDI A4 QUATTRO THAT HAD 65,000 MILES ON IT WHEN IT DIED. THE CAR RUNS WITHOUT ABS TO THIS DAY. I CAN'T BELIEVE THEY CHARGE 1500 DOLLARS TO FIX THIS!!

NHTSA ODI #10050713

Official recalls

4

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.

00V414000 · Steering:linkages:rod:relay:connecting

Dec 6, 2000

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT SEAL PROPERLY.

Consequence & remedy

Consequence: IF MOISTURE AND/OR DUST PARTICLES ENTER THE SWIVEL BEARING MECHANISM, THE SWIVEL BEARING COULD WEAR OVER TIME DIMINISHING THE STEERING CONTROL OF THE VEHICLE.

Remedy: DEALERS WILL REPLACE THE TIE RODS.

99V248000 · Steering:linkages:rod:relay:connecting

Sep 13, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT SEAL PROPERLY.

Consequence & remedy

Consequence: IF MOISTURE AND/OR DUST PARTICLES ENTER THE SWIVEL BEARING MECHANISM, THE SWIVEL BEARING COULD WEAR OVER TIME DIMINISHING THE STEERING CONTROL OF THE VEHICLE.

Remedy: DEALERS WILL REPLACE THE TIE RODS.

99V131001 · Service Brakes, Hydraulic:power Assist:vacuum:hoses, Lines/piping, And Fittings

May 21, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS. A CONTROL VALVE IN THE VACUUM HOSE CONNECTING THE BRAKE BOOSTER TO THE INTAKE MANIFOLD MAY NOT OPEN OR CLOSE FULLY AT TEMPERATURES BELOW -4 F UNDER CERTAIN DRIVING CONDITIONS.

Consequence & remedy

Consequence: THIS CONDITION COULD CAUSE INSUFFICIENT VACUUM TO BE PROVIDED TO THE BRAKE BOOSTER.

Remedy: DEALERS WILL INSTALL A VACUUM BY-PASS SYSTEM INTO VEHICLES OPERATED IN THESE STATES WHICH IS DESIGNED TO PROVIDE SUFFICIENT VACUUM FOR FULL BRAKE ASSIST UNDER ALL WEATHER CONDITIONS.

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

5

EA04017 · STUCK-OPEN Throttle

Opened Jun 30, 2004 · Closed Feb 10, 2005

Status: closed (inferred from source dates) · Fuel System, Gasoline:fuel Injection System

VWOA HAS RECALLED APPROXIMATELY 28,300 MY 1998-99 A6 VEHICLES IN COLD WEATHER STATES THAT EXPERIENCED THE HIGHEST RATE OF THROTTLE ICING INCIDENTS IN THE SUBJECT VEHICLES (04V-495).THE FAILURE RATE IN THE A4 AND PASSAT VEHICLES IS MUCH LOWER THAN IN THE RECALLED VEHICLES.ODI WILL CONTINUE TO MONITOR THE EXPERIENCE IN THE A4 AND PASSAT VEHICLES.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS FOR THE AUDI A4 OR VW PASSAT VEHICLES.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY A CHANGE IN CIRCUMSTANCES. FOR FURTHER DETAILS SEE THE ATTACHED CLOSING REPORT.

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.

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

RQ99008 · Power Brake Booster Vacuum BY-PASS

Opened Jun 1, 1999 · Closed Nov 14, 2000

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

There is no summary currently available