TL* THE CONTACT OWNS A 1999 AUDI A4. THE CONTACT STATED THAT WHILE DRIVING, THE AIR BAG WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER BUT THE CONTACT WAS UNAWARE OF THE DIAGNOSIS. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 308,000.
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.
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
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.
What owners actually said
190 reportsAS I WAS OPENING THE HOOD OF THE CAR TO FILL UP THE WINDOW WASHER, THE HOOD DID NOT STAY UP AS USUAL. IT STARTED TO CLOSE AND IT HIT MY HEAD ON THE WAY DOWN. I AM WONDERING IF THERE HAVE BEEN OTHER REPORTS OF THE SAME INCIDENT. LUCKILY, I SUFFERED ONLY MINOR DAMAGE TO MY HEAD, HOWEVER I HAVE ON GOING HEADACHES AS A RESULT. *TR
MY AUDI, ALONG WITH THOUSANDS OF OTHERS HAVE HAD THEIR ABS CONTROL UNIT MALFUNCTION BECAUSE OF DESIGN. THIS MALFUNCTION CAUSES THE ABS TO NOT WORK ON THE AFFECTED VEHICLE. VOLKSWAGEN, THE COMPANY THAT PRODUCES AUDIS AND VWS ACTUALLY RECALLED THIS EXACT PART ON THEIR VW VEHICLES, BUT FOR SOME REASON REFUSES TO CORRECT THE PROBLEM…
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MY AUDI, ALONG WITH THOUSANDS OF OTHERS HAVE HAD THEIR ABS CONTROL UNIT MALFUNCTION BECAUSE OF DESIGN. THIS MALFUNCTION CAUSES THE ABS TO NOT WORK ON THE AFFECTED VEHICLE. VOLKSWAGEN, THE COMPANY THAT PRODUCES AUDIS AND VWS ACTUALLY RECALLED THIS EXACT PART ON THEIR VW VEHICLES, BUT FOR SOME REASON REFUSES TO CORRECT THE PROBLEM FOR THEIR AUDI CUSTOMERS. THE COST TO REPLACE THIS CONTROL UNIT IS $1,400 - $1,700, AND AS SUCH I HAVE BEEN DRIVING MY VEHICLE WITHOUT ITS ABS FUNCTIONING. BELOW IS A DESCRIPTION OF THE RECALL FOR THIS EXACT PART, BUT ON THE VW JETTA: "2002 VOLKSWAGEN JETTA GLS NHTSA RECALL ID NUMBER: 02V031000 RECALL DATE: JAN 31, 2002 COMPONENT: SERVICE BRAKES, HYDRAULIC:ANTILOCK POTENTIAL UNITS AFFECTED: 55000 SUMMARY: ON SOME PASSENGER VEHICLES, SHORT CIRCUITS CAN OCCUR WITHIN THE ELECTRONIC CONTROL UNIT OF THE ANTI-LOCK BRAKING SYSTEM (ABS). CONSEQUENCE: THIS CAN RESULT IN A FIRE. REMEDY: DEALERS WILL REPLACE THE ABS CONTROL UNIT. OWNER NOTIFICATION BEGAN MARCH 8, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT VOLKSWAGEN AT 1-800-822-8987. NOTES: VOLKSWAGEN OF AMERICA,INC," PLEASE LOOK INTO THIS ISSUE AND HELP VW TO MAKE THE RIGHT CHOICE FOR THE SAFETY OF THEIR CUSTOMERS AND OTHERS ON THE ROAD. THANK YOU FOR YOUR TIME AND ATTENTION TO THIS IMPORTANT MATTER! *TR
THE CAR IS EXPERIENCING UNINTENDED ACCELERATION, USUALLY, BUT NOT ALWAYS, AFTER HEAVY ACCELERATION. OVER 10 OCCURRENCES. CANNOT REMEDY BY PULLING BACK THE ACCELERATOR. CAR MUST BE TURNED OFF AND THE ENGINE MUST RECORD 0 RPM TO REMEDY THE PROBLEM. *TR
TREAD SEPARATION. I WAS DRIVING WESTBOUND ON I-580, APPROXIMATELY 70 MPH, WHEN THE TREAD ON MY RIGHT FRONT TIRE SEPARATED AND THE TIRE BLEW. I WAS LUCKY TO BE ABLE TO PULL OVER TO THE SIDE OF THE ROAD, WITH THE ASSISTANCE OF OTHER AWARE DRIVERS ON THE HIGHWAY WHO ALLOWED ME TO CHANGE LANES AT A REDUCED SPEED. THE TIRE TREAD D…
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TREAD SEPARATION. I WAS DRIVING WESTBOUND ON I-580, APPROXIMATELY 70 MPH, WHEN THE TREAD ON MY RIGHT FRONT TIRE SEPARATED AND THE TIRE BLEW. I WAS LUCKY TO BE ABLE TO PULL OVER TO THE SIDE OF THE ROAD, WITH THE ASSISTANCE OF OTHER AWARE DRIVERS ON THE HIGHWAY WHO ALLOWED ME TO CHANGE LANES AT A REDUCED SPEED. THE TIRE TREAD DAMAGED THE RIGHT FRONT AREA OF MY CAR, CAUSING APPROXIMATELY $4,000 IN DAMAGES, OF WHICH APPROXIMATELY $3,000 WAS COVERED BY MY INSURANCE COMPANY. THE MOST IMPORTANT ISSUE IS SAFETY, NOT MONEY. I COULD HAVE BEEN SEVERELY INJURED OR KILLED AS A RESULT OF THE TIRE FAILURE. THE TIRE HAD A BIG O TIRES BRAND LABEL BUT IT WAS MANUFACTURED BY COOPER. BEFORE THE INCIDENT, THERE WAS NO ABNORMAL USAGE OR WEAR ON THE TIRE, WITH THE EXCEPTION OF ACCELERATED WEAR AT THE PLACE WHERE THE TREAD SEPARATION INITIATED, WHICH WAS CAUSED BY THE SEPARATION. COOPER MIGHT BE THE ONLY TIRE MANUFACTURER THAT DOES NOT USE A BELT WEDGE. THEIR HISTORY OF TREAD SEPARATIONS AND TIRE FAILURES, AND TOTAL DISREGARD FOR THE SAFETY OF THEIR AMERICAN CUSTOMERS SHOULD BE SUFFICIENT TO REMOVE THEIR PRIVILEGE OF DOING BUSINESS IN THE U.S. *TR
THE EVENTS THAT LED TO THE FAILURE OF THE CAR IS WHEN IT STARTED TO THROW SMOKE FROM THE EXHAUST AND WE FOUND OUT ABOUT THE FAILURE WHEN WE TOOK IT THE MECHANIC WHO TOLD US THE ENGINE WAS NO GOOD. SO FAR IM LOOKING FOR A NEW ENGINE. *TR
BOSCH ABS CONTROL UNIT HAS FAILED CAUSING A FLASHING ABS INDICATOR AND A SOLID BRAKE LIGHT. CAUSE IS ELECTRONIC. MANY DOCUMENTED CASES FOUND ON LINE. ABS WILL NOT ENGAGE. AUDI WILL NOT RECALL, BUT VW HAS RECALLED FOR THE SAME PROBLEM. *TR
I BOUGHT AN AUDI A4 1999 1.8T FWD. THE NEXT DAY I BOUGHT IT THE ABS ORANGE LIGHT CAME ON & BRAKE LIGHT FLASHING NON-STOP WITH THREE BEEPS WHEN I START THE CAR ITS BEEN LIKE THAT FOR MORE THAN A WEEK. YESTERDAY I TOOK THE CAR TO THE CLOSEST AUDI DEALER AND THEY QUOTE ME 1,200 THAT'S A LOT SINCE THIS PROBLEMS WITH THE ABS UNIT I…
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I BOUGHT AN AUDI A4 1999 1.8T FWD. THE NEXT DAY I BOUGHT IT THE ABS ORANGE LIGHT CAME ON & BRAKE LIGHT FLASHING NON-STOP WITH THREE BEEPS WHEN I START THE CAR ITS BEEN LIKE THAT FOR MORE THAN A WEEK. YESTERDAY I TOOK THE CAR TO THE CLOSEST AUDI DEALER AND THEY QUOTE ME 1,200 THAT'S A LOT SINCE THIS PROBLEMS WITH THE ABS UNIT IS POOR MANUFACTURE PROBLEM. *TR
TL*THE CONTACT OWNS A 1999 AUDI A4. WHILE DRIVING 20 MPH THE CONTACT NOTICED THAT SMOKE HAD BEGUN TO COME FROM UNDERNEATH THE DRIVERS SIDE SEAT. NO FLAMES WERE VISIBLE AND THE FIRE DEPARTMENT WAS NOT CALLED. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE ENTIRE WIRING SYSTEM NEEDED TO BE REPLACED. THE FAILURE WAS NOT D…
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TL*THE CONTACT OWNS A 1999 AUDI A4. WHILE DRIVING 20 MPH THE CONTACT NOTICED THAT SMOKE HAD BEGUN TO COME FROM UNDERNEATH THE DRIVERS SIDE SEAT. NO FLAMES WERE VISIBLE AND THE FIRE DEPARTMENT WAS NOT CALLED. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE ENTIRE WIRING SYSTEM NEEDED TO BE REPLACED. THE FAILURE WAS NOT DIAGNOSED. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 104000.
TL* THE CONTACT OWNS A 1999 AUDI A4. WHILE DRIVING AT 30 MPH, THE VEHICLE BEGAN INDEPENDENTLY SHIFTING INTO MANUAL MODE FROM AUTOMATIC. THE CONTACT WAS ABLE TO ADJUST THE SHIFTER TO NORMAL BUT THE FAILURE PERSISTED. THE DEALER ADVISED THE SHIFTER BLIND AND THE PRINTED CIRCUIT BOARD WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT…
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TL* THE CONTACT OWNS A 1999 AUDI A4. WHILE DRIVING AT 30 MPH, THE VEHICLE BEGAN INDEPENDENTLY SHIFTING INTO MANUAL MODE FROM AUTOMATIC. THE CONTACT WAS ABLE TO ADJUST THE SHIFTER TO NORMAL BUT THE FAILURE PERSISTED. THE DEALER ADVISED THE SHIFTER BLIND AND THE PRINTED CIRCUIT BOARD WOULD NEED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE AND CURRENT MILEAGES WERE 126,963.
Official recalls
420V056000 · 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
5EA04017 · 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
Illustration