NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
96 reports95,000 miles · Nov 30, 2006
Engine And Engine Cooling
I AM AN OWNER OF A 2000 A4 1.8T AUDI. THE OWNER'S MANUAL STATES THAT THE TIMING BELT SHOULD BE REPLACED AT 105,000 MILES AND ALSO STATES THAT IT IS A "LONG-LASTING" BELT. I HAVE 95,000 MILES ON MY VEHICLE AND THE TENSIONER AND DAMPER FAILED WHEN I WAS DRIVING ON THE HIGHWAY AT A SPEED OF 65 MPH; THE CAR JUST STOPPED, AND I HAD …
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I AM AN OWNER OF A 2000 A4 1.8T AUDI. THE OWNER'S MANUAL STATES THAT THE TIMING BELT SHOULD BE REPLACED AT 105,000 MILES AND ALSO STATES THAT IT IS A "LONG-LASTING" BELT. I HAVE 95,000 MILES ON MY VEHICLE AND THE TENSIONER AND DAMPER FAILED WHEN I WAS DRIVING ON THE HIGHWAY AT A SPEED OF 65 MPH; THE CAR JUST STOPPED, AND I HAD TO NAVIGATE THROUGH FOUR LANES OF HEAVY TRAFFIC TO THE SHOULDER IN A CAR WITH NO POWER- SCARY AND DANGEROUS! THE CAR HAD TO BE TOWED TO THE MECHANIC'S, AND SINCE I WAS 5 HOURS AWAY FROM HOME, I HAD TO RENT A CAR FOR THE NEXT 12 DAYS WHILE IT WAS BEING REPAIRED. $3300.00 LATER, AND AFTER TWO TRIPS UP THERE (10 HOURS ROUND TRIP FROM HOME) I GOT MY CAR BACK AND WAS INFORMED WHY THE WHOLE THING HAPPENED (DEFECTIVE PARTS). THE MECHANIC SHOWED ME ALL THE DAMAGE THAT WAS DONE-INCLUDING ALL 20 BROKEN AND TWISTED VALVES! APPARENTLY, AUDI KNOWS ABOUT THESE PROBLEMS, AND OTHERS HAVE EXPERIENCED THE SAME THING, BUT AUDI HAS NEVER MADE ANY ATTEMPT TO NOTIFY ME OR OTHER A4 OWNERS OF THIS SERIOUS AND DANGEROUS PROBLEM. THIS IS A FINICKY CAR AND WHEN THE TIMING BELT GOES, IT ALSO CAUSES SIGNIFICANT ENGINE DAMAGE, WHICH IS VERY COSTLY TO REPAIR. BECAUSE AUDI KNOWS OF THIS PROBLEM, AND HAS NOT INFORMED THE CUSTOMERS, AND BECAUSE THE OWNER'S MANUAL INDICATES REPLACEMENT AT 105,000 MILES, I WILL ADAMANTLY PURSUE REIMBURSEMENT FROM THEM THROUGH THEIR CORPORATE OFFICE. I READ OF ONE OTHER PERSON ON THIS SITE WHO HAD THE EXACT SAME PROBLEM--IF YOU HAVE ALSO, PLEASE POST YOUR COMPLAINT! *JB
NHTSA ODI #10174749
80,000 miles · Nov 15, 2006
Service Brakes, Hydraulic
MY VEHICLE HAS A PROBLEM THE MY ANTI-LOCK BRAKING SYSTEM LIGHT COMING ON AND MY BRAKE LIGHT BLINKING. I'VE HAD THIS PROBLEM AND THOUGH IT WAS FIXED THE LIGHTS KEEP DISPLAYING. THIS I BELIEVE IS A COMMON PROBLEM AMONGST OTHER OWNERS OF MY VEHICLE AS WELL. *JB
NHTSA ODI #10173537
70,000 miles · Oct 21, 2006
Service Brakes, Hydraulic
ABS MODULE/SENSOR FAILURE. THIS PROBLEM OCCURS FREQUENTLY WITH OTHER AUDI OWNERS AND HAS BEEN THOROUGHLY DOCUMENTED ON SITES SUCH AS MYCARSTATS.COM. BASICALLY THE ABS AND BRAKE LIGHTS WOULD COME ON WHILE DRIVING, ACCOMPANIED BY A BEEP. AFTER INITIAL RESEARCH, I WAS ABLE TO CONFIRM THE MODULE HAD FAILED AND WOULD REQUIRE RE…
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ABS MODULE/SENSOR FAILURE. THIS PROBLEM OCCURS FREQUENTLY WITH OTHER AUDI OWNERS AND HAS BEEN THOROUGHLY DOCUMENTED ON SITES SUCH AS MYCARSTATS.COM. BASICALLY THE ABS AND BRAKE LIGHTS WOULD COME ON WHILE DRIVING, ACCOMPANIED BY A BEEP. AFTER INITIAL RESEARCH, I WAS ABLE TO CONFIRM THE MODULE HAD FAILED AND WOULD REQUIRE REPLACEMENT. LOCAL AUDI DEALER QUOTED 1500 FOR THE MODULE PLUS LABOR. LUCKILY, I FOUND AN ALTERNATIVE BY SENDING THE FAULTY MODULE TO MODULEMASTER.COM. THIS COMPANY SPECIALIZES IN REPAIRING DEFEKTIVE CIRCUITRY. THE LABOR IS WARRANTIED FOR THE LIFE OF THE VEHICLE AND COSTS 300.00 (INCLUDING SHIPPING AND MISC. STUFF). THE CAR WAS STILL DRIVEABLE WHILE THE MODULE WAS OUT. THEIR WEBSITE CONTAINED A VIDEO ON HOW TO PROPERLY ACCESS THE MODULE, REMOVE IT, AND REPLACE IT ONCE IT WAS REPAIRED. ALL IN ALL, I SAVED MYSELF '1200 PLUS LABOR'. I WOULD LIKE EXPRESS MY DISGUST WITH ALL AUDI DEALERS WHO SELL THEIR MODULES FOR THESE OUTRAGEOUS PRICES. ONE THING NONE OF THEM ADMITT TO IS THAT THE REASON WHY THESE BOSCH MODULES FAIL IS BECAUSE OF A KNOWN DEFEKT IN THE CIRCUITRY. SO THEIR $1200 MODULES WILL EVENTUALLY FAIL TOO. *NM
NHTSA ODI #10171506
50,500 miles · Aug 7, 2006
Service Brakes, Hydraulic
2000 AUDI A4 WITH ONLY 51000 MILES. ABS BRAKE LIGHT COMING ON LOUD BEEP AND FLASHING BRAKE LIGHT IN PANEL. WILL COST 1200.00 TO FIX. MANY PEOPLE HAVING SAME PROBLEM WITH OTHER YEAR MODELS BY AUDI. *NM
NHTSA ODI #10164672
89,000 miles · Mar 22, 2006
Service Brakes, Hydraulic
ANTILOCK BRAKING SYSTEM FAILING AT 80K MILES. INCREASING THE RISK FOR REAR BRAKES TO LOCK UP THE WHEELS POSSIBLY CAUSING VEHICLE TO SPIN OUT UNDER HEAVY BRAKING. *NM
NHTSA ODI #10153466
85,000 miles · Feb 8, 2006
Service Brakes, Hydraulic
I EXPERIENCED FAILURE OF ABS IN A 2000 AUDI A4 AVANT QUATTRO. THIS IS THE WELL-KNOWN AND WIDELY REPORTED PROBLEM WITH THE BOSCH 5.3 ABS CONTROL MODULE UNIT. THE UNIT SPONTANEOUSLY FAILED WITHOUT ANY REASON, AT ABOUT 80K MILES. THE CONSEQUENCES ARE THE ABS DOES NOT WORK AND THE PART TO REPLACE IT IS ABOUT $1500. I HAVE YET TO …
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I EXPERIENCED FAILURE OF ABS IN A 2000 AUDI A4 AVANT QUATTRO. THIS IS THE WELL-KNOWN AND WIDELY REPORTED PROBLEM WITH THE BOSCH 5.3 ABS CONTROL MODULE UNIT. THE UNIT SPONTANEOUSLY FAILED WITHOUT ANY REASON, AT ABOUT 80K MILES. THE CONSEQUENCES ARE THE ABS DOES NOT WORK AND THE PART TO REPLACE IT IS ABOUT $1500. I HAVE YET TO REPLACE OR REPAIR IT AT THIS POINT, HOPING VW/AUDI WILL DO SOMETHING ABOUT IT (A RECALL WOULD BE NICE). *JB
NHTSA ODI #10149698
40,121 miles · Jan 3, 2006
Engine And Engine CoolingPower TrainSteering
DT: THE CONTACT STATED ON APRIL 5, 2005 ENGINE STARTED MAKING LOUD NOISES. THE CONTACT TOOK THE VEHICLE TO A LOCAL DEALERSHIP FOR REGULAR SERVICE AND INSPECTION, AND THE DEALER FOUND THE HEAD GASKETS, MASS FLOW SENSORS, VACUUM HOSES, INTAKE MANIFOLD GASKETS, AND THE THROTTLE BODY NEEDED TO BE REPLACED. REPAIRS WERE MADE. F…
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DT: THE CONTACT STATED ON APRIL 5, 2005 ENGINE STARTED MAKING LOUD NOISES. THE CONTACT TOOK THE VEHICLE TO A LOCAL DEALERSHIP FOR REGULAR SERVICE AND INSPECTION, AND THE DEALER FOUND THE HEAD GASKETS, MASS FLOW SENSORS, VACUUM HOSES, INTAKE MANIFOLD GASKETS, AND THE THROTTLE BODY NEEDED TO BE REPLACED. REPAIRS WERE MADE. FOUR MONTHS LATER THE VEHICLE STARTED MAKING LOUD NOISES AGAIN. THE CONTACT WAITED ANOTHER FOUR MONTHS BEFORE TAKING THE VEHICLE BACK TO THE DEALER ON DECEMBER 29, 2005 TO HAVE IT SERVICED A SECOND TIME. THIS TIME THE DEALER DISCOVERED THE TIE ROD ENDS, CHAIN TENSIONER AND THE OIL COOLANT LINES NEEDED TO BE REPLACED. THERE WERE NEVER ANY WARNING INDICATORS OTHER THAN THE NOISE INDICATING A PROBLEM. NO ADDITIONAL REPAIRS WERE MADE. *AK UPDATED 1/25/2006 - *NM
NHTSA ODI #10146786
165,000 miles · Dec 24, 2005
Service Brakes, Hydraulic
RECENTLY THE ABS AND BRAKE ALARM CAME ON AND WHEN I WENT TO HAVE IT REPAIRED THE SERVICE MAN SAID THERE WAS A FOUR WEEK BACK ORDER ON THE ABS MODULE. HE SAID THAT THIS PART IS GOING BAD IN ALL THE AUDI A4'S AND SOME A 6'S AND HE CAN'T EVEN GET THE PART FROM A JUNKED AUDI. *JB
NHTSA ODI #10146031
83,850 miles · Oct 24, 2005
Service Brakes, Hydraulic
ABS BRAKE FAILURE RESULTING IN UNSAFE ABS BRAKE FUNCTION. NEED TO REPLACE ABS CONTROL MODULE. THIS IS A RECURRING PROBLEM BASED ON A SEARCH OF THE INTERNET. *JB
NHTSA ODI #10140616
65,000 miles · Oct 5, 2005
Service Brakes, Hydraulic
AUDI A4 2000 1.8T (1) ABS LIGHT FLASHING. BROUGHT TO DEALER. QUOTED $600 FOR REPAIR KIT, $1500 FOR NEW MODULE. BOTH PRICES DO NOT INCLUDE LABOR. SEARCHED INTERNET AND HUNDREDS OF OTHER AUDI A4 OWNERS HAVE EXPERIENCED THE SAME ISSUE. (2) ABS IS NOW INTERMITTENT ON MY CAR AND WARNING LIGHT IS ON CONSTANTLY. (3) CAN'T CORR…
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AUDI A4 2000 1.8T (1) ABS LIGHT FLASHING. BROUGHT TO DEALER. QUOTED $600 FOR REPAIR KIT, $1500 FOR NEW MODULE. BOTH PRICES DO NOT INCLUDE LABOR. SEARCHED INTERNET AND HUNDREDS OF OTHER AUDI A4 OWNERS HAVE EXPERIENCED THE SAME ISSUE. (2) ABS IS NOW INTERMITTENT ON MY CAR AND WARNING LIGHT IS ON CONSTANTLY. (3) CAN'T CORRECT RIGHT AWAY B/C MY AUDI DEALERSHIP IS 6 MONTHS BACK ORDERED. I ASSUME BECAUSE SO MANY OWNERS ARE EXPERIENCING THE SAME PROBLEM. *JB
NHTSA ODI #10138756
Official recalls
2Jun 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.
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