ABS MODULE FAILURE @ 108,000 MI. UNIT REBUILT AT APPROX COST OF $1,000. *TR
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.
Service Brakes, Hydraulic complaints
81 reportsABS MODULE FAILURE @ 108,000 MI. UNIT REBUILT AT APPROX COST OF $1,000. *TR
AUDI A4 ABS CONTROLLER. *TR
THIS IS THE SECOND TIME THIS HAS HAPPENED IN SIMILAR CIRCUMSTANCES IN THE LAST TWO YEARS TO MY WIFE. THE TEMPERATURE WAS UNDER 4 DEGREES AND EXTREMELY WINDY AND SNOWING. SHE WARMED THE CAR UP FOR 15 MINUTES BEFORE DRIVING IT. THE ENGINE TEMPERATURE GAUGE WAS A LITTLE BIT OFF COLD. THE HEAT WAS ON AND WORKING FINE. THE CAR DID NO…
Read full complaint
THIS IS THE SECOND TIME THIS HAS HAPPENED IN SIMILAR CIRCUMSTANCES IN THE LAST TWO YEARS TO MY WIFE. THE TEMPERATURE WAS UNDER 4 DEGREES AND EXTREMELY WINDY AND SNOWING. SHE WARMED THE CAR UP FOR 15 MINUTES BEFORE DRIVING IT. THE ENGINE TEMPERATURE GAUGE WAS A LITTLE BIT OFF COLD. THE HEAT WAS ON AND WORKING FINE. THE CAR DID NOT WANT TO GO, AND HESITATED DURING ACCELERATION. SHE DROVE A MILE TO THE INTERSTATE WITH NO ISSUES AND THE CAR WARMED UP. ONCE ON THE INTERSTATE, SHE DROVE ABOUT A HALF MILE ACCELERATING TO ABOUT 65. WHEN SHE TRIED TO PASS, AND BEGAN ACCELERATING THE THROTTLE FROZE. THE RPMS INCREASED QUICKLY AND SIGNIFICANTLY. SHE TRIED TO BRAKE, BUT THE BRAKE PEDAL WAS NOT EFFECTIVE. SHE DOWNSHIFTED USING THE TIPTRONIC, THE CAR WENT FASTER. SHE PUT IT INTO NEUTRAL AND THE RPMS REVVED OUT. THE CAR APPROXIMATELY WAS GOING 90 MILES AN HOUR OR GREATER AT THE APEX OF MY SPEED. SHE GOT OFF THE INTERSTATE BY USING MY E-BRAKE, AND TURNED THE CAR OFF AT THE STOP LIGHT BECAUSE SHE FEARED IT WOULD NOT STAY STOPPED. SHE DROVE ABOUT A HALF MILE TO WORK USING THE E-BRAKE AND BRAKE TO SLOW DOWN, AND NEARLY HIT A TREE TRYING TO STOP. SHE TURNED THE CAR ON AGAIN AFTER SHE PARKED TO SEE IF THE THROTTLE WAS STILL STUCK, IT WAS. THREE HOURS LATER I ARRIVED, STARTED THE CAR, AND THE THROTTLE WAS NO LONGER STUCK. I CALLED THE DEALER THAT DAY, EXPLAINED THE ISSUE, AND THEY WOULDN'T TAKE THE CAR UNTIL 6 DAYS LATER. THEY TOLD US THAT IT WAS THE CAR MAT STUCK UNDER THE PEDALS, AND IT WAS NECESSARY TO KEEP THE APPOINTMENT. I TOOK THE CAR TO GET LOOKED AT ANYWAY, THEY INSPECTED TO FIND EGR VALVE CLOGGED CAUSING MOISTURE BUILDUP AND THROTTLE TO ICE OVER. THEY REPLACED THE EGR VALVE, AIR PUMP AND VACUUM HOSE AND CLEANED THE THROTTLE BODY. THIS TOTALED $546.30. THERE IS A RECALL ON THE A6 THROTTLE BODY FOR THE SAME YEAR, ENGINE, TRANSMISSION AND THE EXACT SAME PART NUMBER! BUT AUDI CORPORATE TOLD US IT DID NOT APPLY BECAUSE WE HAVE THE A4 NOT THE A6 AND WAS NOT CONCERNED OR WILLING TO HELP. *JB
I OWN A 1999 AUDI A4 2.8 30V QUATTRO AND MY ABS AND BRAKE LIGHTS ARE ON AND THE AUDI DEALER TOLD ME THAT MY ABS CONTROL MODULE NEEDS TO BE REPLACED. BY READING FORUMS ONLINE AND CONSUMER SITES, I HAVE FOUND OUT THAT THIS IS A VERY COMMON PROBLEM TO AUDI'S AND VW'S. MY QUESTION IS: SHOULDN'T AUDI OF AMERICA FIX THIS PROBLEM FOR F…
Read full complaint
I OWN A 1999 AUDI A4 2.8 30V QUATTRO AND MY ABS AND BRAKE LIGHTS ARE ON AND THE AUDI DEALER TOLD ME THAT MY ABS CONTROL MODULE NEEDS TO BE REPLACED. BY READING FORUMS ONLINE AND CONSUMER SITES, I HAVE FOUND OUT THAT THIS IS A VERY COMMON PROBLEM TO AUDI'S AND VW'S. MY QUESTION IS: SHOULDN'T AUDI OF AMERICA FIX THIS PROBLEM FOR FREE? *NM
NEEDED TO REPLACE THE ABS CONTROL MODULE WHEN MY AUDI ONLY HAD 88000 MILES. *JB
ABS BRAKE LIGHT ON 1999) AUDI A4 1.8T. UPON RESEARCHING ON MANY FORUMS (I.E. AUDIWORLD.COM) I HAVE NOTICED SEVERAL OTHER AUDI OWNERS HAVE EXPERIENCED THE SAME PROBLEM. APPARENTLY, THIS IS ATTRIBUTED TO A FAULTY ABS BRAKE COMPUTER?*AK
I OWN A 1999 AUDI A4 WITH APPROXIMATELY 74,000 MILES. RECENTLY UPON START-UP THE ABS INDICATOR LIGHT COMES ON AND THE BRAKE INDICATOR LIGHT FLASHES. I HAVE TAKEN THE CAR IN FOR SERVICE AND HAVE BEEN INFORMED THAT I NO LONGER HAVE ANTI-LOCK BRAKES AND THAT TO REMEDY THE SITUATION WILL COST IN EXCESS OF $1500. THIS IS COMPLETE…
Read full complaint
I OWN A 1999 AUDI A4 WITH APPROXIMATELY 74,000 MILES. RECENTLY UPON START-UP THE ABS INDICATOR LIGHT COMES ON AND THE BRAKE INDICATOR LIGHT FLASHES. I HAVE TAKEN THE CAR IN FOR SERVICE AND HAVE BEEN INFORMED THAT I NO LONGER HAVE ANTI-LOCK BRAKES AND THAT TO REMEDY THE SITUATION WILL COST IN EXCESS OF $1500. THIS IS COMPLETELY UNACCEPTABLE AND APPEARS TO BE DUE TO A AUDI MANUFACTURING DEFECT (ANECDOTALLY, I HAVE HEARD OF HUNDREDS OF SIMILAR ISSUES WITH THE ABS). WHILE THE CAR IS OPERABLE USING STANDARD BRAKES I BELIEVE IT IS A SIGNIFICANT DANGER SHOULD THE ABS BE REQUIRED. PLEASE LOOK INTO THIS ISSUE. *JB
I AM AN OWNER OF A 1999 AUDI A4 QUATTRO WITH THE 2.8 ENGINE; THE VIN OF THE VEHICLE IS [XXX]; THE VEHICLE HAS 101,845 MILES. I WAS HAVING THE FOLLOWING ISSUE; AT ABOUT 100,000 MILES THE ABS AND BRAKE WARNING LIGHTS WOULD COME ON INDICATING AND ABS FAILURE. THIS WOULD OCCUR AFTER THE CAR IS COMPLETELY WARMED UP. I DID SOME CHEC…
Read full complaint
I AM AN OWNER OF A 1999 AUDI A4 QUATTRO WITH THE 2.8 ENGINE; THE VIN OF THE VEHICLE IS [XXX]; THE VEHICLE HAS 101,845 MILES. I WAS HAVING THE FOLLOWING ISSUE; AT ABOUT 100,000 MILES THE ABS AND BRAKE WARNING LIGHTS WOULD COME ON INDICATING AND ABS FAILURE. THIS WOULD OCCUR AFTER THE CAR IS COMPLETELY WARMED UP. I DID SOME CHECKING AND DISCOVERED THAT THERE IS PROBLEM WITH ABS CONTROL UNIT. I FURTHER INVESTIGATED THIS ISSUE AND ALSO DISCOVERED THAT THIS IS A KNOWN AND COMMON PROBLEM WITH 1996-2001 AUDI A4S. VOLKSWAGEN JETTAS AND PASSATS OF THE SAME YEAR, THAT UTILIZE THE SAME SYSTEM, HAD/HAVE THE SAME PROBLEM; IT CAME TO MY ATTENTION THAT VOLKSWAGEN CONDUCTED A NATIONAL RECALL CAMPAIGN TO ADDRESS THIS PROBLEM. I WAS WONDERING WHY AUDI HAS NOT HANDLED THIS PROBLEM IN THE SAME MANNER. I DONT THINK AUDI OWNERS SHOULD BE EXPECTED PAY TO FIX A CLEARLY MANUFACTURERS DEFECT, AND A SAFETY COMPONENT AT THAT! I CONTACT AUDI CUSTOMER SERVICE TO GET A REACTION FROM THEM; THE REFERENCE NUMBER IS [XXX]. I WROTE A DETAILED LETTER TO MR. JOHAN DENYSSCHEN EXECUTIVE VICE PRESIDENT AUDI NORTH AMERICA; HE IN TURN PASSED THE LETTER TO ONE OF THE AUDI REGIONAL MANAGERS ANNETTE JOHNSON. THE REGIONAL MANAGER HAD INDICATED THAT THE ISSUE SHOULD BE DIAGNOSED BY AN AUTHORIZED AUDI SERVICE CENTER (AUDI DEALER). HER TONE WAS VERY HELPFUL; HOWEVER SHE HAS INDICATED THAT THERE HAVE NOT BEEN ENOUGH COMPLAINTS TO CONSTITUTE A RECALL. FURTHERMORE, THEY DO NOT CONSIDER THE ABS FAILURE AS A SAFETY ISSUE SINCE THEY REGARD THE SYSTEM AS A DRIVER''S AIDE. ADDITIONALLY SHE COULD NOT FIND ANY RECORDS THAT SHOWED VOLKSWAGENS BEING RECALLED FOR THE SAME ISSUE. I EVENTUALLY GOT A PROBLEM FIXED AT A SMALLER SHOP, WHICH COST ME AROUND $600.00 DOLLARS. THE DEALER WAS GOING TO OVER CHARGE ME ON THE PART BY $400.00 AND 6.5 HOURS OF LABOR AT $105.00 PER HOUR FOR A JOB THAT ACTUALLY TOOK ONLY 1.5 HOURS. *NM UPDATED 07/17/2012 *JS INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
MY ABS AND BRAKE LIGHT CAME ON INTERMITTENTLY A MONTH AGO AND GRADUALLY GOT MORE FREQUENT. NOW THEY ARE ON ALMOST ALL THE TIME. WHEN I TOOK IT INTO THE SHOP RIGHT AFTER THE FIRST INCIDENT I WAS TOLD THE INSTRUMENT CLUSTER WOULD NEED TO BE CHANGED WHICH WOULD COST ME A BUNDLE (POSSIBLY OVER $2000). MY VEHICLE ACTUALLY HAS RELA…
Read full complaint
MY ABS AND BRAKE LIGHT CAME ON INTERMITTENTLY A MONTH AGO AND GRADUALLY GOT MORE FREQUENT. NOW THEY ARE ON ALMOST ALL THE TIME. WHEN I TOOK IT INTO THE SHOP RIGHT AFTER THE FIRST INCIDENT I WAS TOLD THE INSTRUMENT CLUSTER WOULD NEED TO BE CHANGED WHICH WOULD COST ME A BUNDLE (POSSIBLY OVER $2000). MY VEHICLE ACTUALLY HAS RELATIVELY LOW MILES ON IT AND HAS BEEN MAINTAINED REALLY WELL SO I AM VERY UPSET THAT AUDI WILL NOT FIX OR PAY FOR THIS. *JB
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