Problems · by component
2000 Audi A4 service brakes, hydraulic problems
47 owner complaints to NHTSA about the 2000 Audi A4 cite service brakes, hydraulic, 49% of all 96 complaints for this model year.
Complaints
47
49% of all complaints
Crashes
2
Reported by owners
Fires
1
Reported by owners
Injuries
0
Reported by owners
What owners say about the service brakes, hydraulic
Verbatim from NHTSA complaints, newest first
“THE ABS AND BRAKE LIGHT IS FLASHING ON MY DASH BOARD. THE REPAIR SHOP SAYS THAT THE ABS CONTROL MODULE NEEDS TO BE REPLACED. THE COST IS ABOUT $1000! MY CAR HAS ABOUT 120,000 MILES ON IT. *TR”
“THERE ARE HUNDREDS OF COMPLAINTS ONLINE ABOUT THE ANTI-LOCK BRAKING FAILING IN AUDI'S AND VW'S BUILT BETWEEN 1996 AND 2001. ACCORDING TO MY MECHANIC, THIS IS A VERY COMMON PROBLEM THAT THEY'VE SEEN A LOT OF. SEE MANY OWNERS DISCUSSING THE PROBLEM HERE: HTTP://AUDI-VW-ABS-RECALL.BLOGSPOT.COM/2005/07/AUDI-AND-VW-PLEASE-RECALL-CARS-BETWEEN.HTML THE ABS IS A VERY IMPORTANT PIECE OF SAFETY EQUIPMENT, AND IT SEEMS IRRESPONSIBLE TO ME THAT AUDI HAS FAILED TO RECALL A VERY COMMON AND KNOWN MANUFACTURING DEFECT. *TR”
“HELLO: RECENTLY I HAD A FAILURE WITH THE ABS BRAKING SYSTEM ON MY 2000 AUDI A4, 2.8L. THIS FAILURE WAS VERIFIED BY THE AUDI DEALER IN WILMINGTON, DE. FROM THE DEALER AND ACCORDING TO MANY ARTICLES, THIS FAILURE IS COMMON WITH THIS MAKE. SO COMMON, THAT AUDI/VW DID A RECALL ON VW'S, BUT NOT ON AUDI'S. THIS IS NOT FAIR AND I AM HEAR TO VOICE MY SAFETY CONCERN. *TR”
“ABS INTERMITTENT. SYSTEM GOES FROM FINE, TO INOPERATIVE WITH NO WARNING. DETAILS: INTERMITTENTLY GET THREE BEEPS FROM THE INSTRUMENT CLUSTER, WITH THE YELLOW ABS LIGHT LIT STEADILY, AND THE RED BRAKE WARNING LIGHT BLINKING. WHILE THE SYSTEM IS IN THIS STATE, THE ABS CONTROL MODULE IS NOT AVAILABLE VIA DIAGNOSTIC INTERFACE, AND THE ABS IS INOPERATIVE. SHOP DIAGNOSTICS SAYS: 01203 - ELECTRICAL CONNECTION BETWEEN ABS AND INSTRUMENT CLUSTER 03-10 - NO SIGNAL - INTERMITTENT DETAILS OF AFFECTED EQUIPMENT: ABS CONTROL MODULE IS 8E0-614-111-A (BOSCH ABS/EDS VERSION 5.3). *TR”
“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”
“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”
Showing 6 of 47 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.