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2000 Audi S4

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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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

64 reports with mileage · 79 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.

  • Electrical System. Review the 49 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Tires. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 31 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports0 fire reports4 injury reports

Service Brakes, Air complaints

10 reports
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72,000 miles · Jun 6, 2005
Service Brakes, AirService Brakes, Hydraulic

ABS COMPUTER MODULE FAILURE. ON THE INSTRUMENT PANEL, THE ABS LIGHT CAME ON WHLE THE BRAKE LIGHT WAS FLASHING AND BEEPING. TOOK IT OT THE DEALER AND THE ABS PUMP WITH CONTROLLER WAS/IS BAD. THE PART WITH LABOR IS $1600.00. AFTER SOME RESEARCH, THIS PART GOES BAD ALOT AND IS A MAJOR SAFTY ISSUE. IF YOU BRAKE HARD THE REAR WH…

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ABS COMPUTER MODULE FAILURE. ON THE INSTRUMENT PANEL, THE ABS LIGHT CAME ON WHLE THE BRAKE LIGHT WAS FLASHING AND BEEPING. TOOK IT OT THE DEALER AND THE ABS PUMP WITH CONTROLLER WAS/IS BAD. THE PART WITH LABOR IS $1600.00. AFTER SOME RESEARCH, THIS PART GOES BAD ALOT AND IS A MAJOR SAFTY ISSUE. IF YOU BRAKE HARD THE REAR WHEELS WILL LOCK UP AND THE CAR COULD SPIN OUT OF CONTROL.

NHTSA ODI #10124372

62,000 miles · May 30, 2005
Service Brakes, AirService Brakes, Hydraulic

ABS FAILURE ON 2000 S4 WITH ONLY 60,000 MILES. THE ABS FAILURE LIGHT COMES ON RANDOMLY WHILE DRIVING. I HAD THIS PROBLEM CHECKED OUT WITH A CERTIFIED AUDI MECHANIC. HE STATES THE ACTUAL PUMP IS NOT THE PROBLEM, BUT THE CIRCUITRY THAT CONTROLS THE PUMP IS DEFECTIVE, AND ALSO STATES THIS PROBLEM IS VERY COMMON IN MY MODEL VEHIC…

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ABS FAILURE ON 2000 S4 WITH ONLY 60,000 MILES. THE ABS FAILURE LIGHT COMES ON RANDOMLY WHILE DRIVING. I HAD THIS PROBLEM CHECKED OUT WITH A CERTIFIED AUDI MECHANIC. HE STATES THE ACTUAL PUMP IS NOT THE PROBLEM, BUT THE CIRCUITRY THAT CONTROLS THE PUMP IS DEFECTIVE, AND ALSO STATES THIS PROBLEM IS VERY COMMON IN MY MODEL VEHICLE. ABS FAILURES SHOULD BE CONSIDERED AS DANGEROUS AS A BROKEN SEAT BELT, AND SHOULD BE REPAIRED AT THE COST OF THE MANUFACTURER (AUDI)

NHTSA ODI #10122438

84,000 miles · Mar 14, 2005
Service Brakes, Air

JUST DRIVING ONE EVENING AND THE ABS/BRAKE LIGHT CAME ON. THE ABS CONTROLLER WAS AT FAULT. DID SOME RESEARCH ,AND A SIGNIFICANT NUMBER OF PEOPLE W/ THE SAME CAR HAS THE SAME PROBLEM. *AK

NHTSA ODI #10114088

13,000 miles · Feb 2, 2005
Service Brakes, Air

PURCHASED MY 2000 AUDI S4 FROM THE ORIGINAL OWNER- THE CAR HAD 10K MILES ON IT AND YES, IT WAS OUT OF WARRANTY. AT ABOUT 13.5K MILES I NOTICED THAT I HAD TROUBLE STOPPING ONE EVENING- ALMOST REAR ENDING SOMEONE IN THE PROCESS BECAUSE MY BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. PARKED THE CAR THAT NIGHT-AND THEN ABOUT 4 HOURS…

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PURCHASED MY 2000 AUDI S4 FROM THE ORIGINAL OWNER- THE CAR HAD 10K MILES ON IT AND YES, IT WAS OUT OF WARRANTY. AT ABOUT 13.5K MILES I NOTICED THAT I HAD TROUBLE STOPPING ONE EVENING- ALMOST REAR ENDING SOMEONE IN THE PROCESS BECAUSE MY BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. PARKED THE CAR THAT NIGHT-AND THEN ABOUT 4 HOURS LATER, ON MY WAY HOME...SAME SYMPTOMS AS MENTIONED BEFORE, EXCEPT NOW MY ABS LIGHT WAS ON. EXT MOURNING...MOVED CAR OUT OF DRIVEWAY AND NOTICED A OIL PUDDLE FROM THE LEFT FRONT DRIVERS SIDE ENGINE AREA. I BEGAN TO SEARCH FOR THE LEAK WITH THE HELP FROM A LOCAL FRIEND AND HE SUGGESTED-LAST RESORT-TO CHECK THE ABS CONTROL UNIT...I DID, AND SURE ENOUGH, MY WHOLE HAND WAS COVERED IN OIL WHEN I REACHED UNDERNEATH THE ABS UNIT. CALLED LOCAL AUDI DEALER...AND ALSO CALLED AUDI OF AMERICA...DROPPED CAR OFF AT DEALER...THEY CONFIRMED THAT THE UNIT (ABS) HAD INDEED FAILED. AUDI OF AMERICA DENIED ANY HELP AT ALL WITH A UNIT THAT FAILED AT 13.5K MILES!!!!!!! I ENDED UP PAYING $1,500.00 TO HAVE IT FIXED. *AK

NHTSA ODI #10108453

77,000 miles · Jan 11, 2005
Service Brakes, Air

ABS WARNING LIGHT BEGAN FLASHING. DIAGNOSED BY DEALER AS ABS CONTROLLER UNIT; PRICE TO FIX $1287. HAVE NOT FIXED YET.*AK

NHTSA ODI #10106137

49,850 miles · Sep 21, 2004
Service Brakes, Air

FAILURE OF ABS?ECU CONTROL MODULE...NO ABS BRAKES,POSSIBLE LOSS OF CONTROL OF VEHICLE. CAR HAS ONLY 50,000 MILES. *AK

NHTSA ODI #10092974

64,800 miles · Sep 14, 2004
Service Brakes, Air

OUT OF THE BLUE, WITH 64,000 MILES ON THE CAR, THE ABS WARNING LIGHT AND BRAKE WARNING LIGHT COME ON, FOLLOWED BY 3 LOUD BEEPS. WHEN THE BEEPS STOP, THE ABS WARNING LIGHT STAYS ON, THE BRAKE WARNING LIGHT BLINKS CONTINUALLY. SINCE THE FIRST INCIDENT, THIS NOW HAPPENS EVERY TIME I DRIVE THE CAR. SOMETIMES THE LIGHTS WILL GO OUT A…

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OUT OF THE BLUE, WITH 64,000 MILES ON THE CAR, THE ABS WARNING LIGHT AND BRAKE WARNING LIGHT COME ON, FOLLOWED BY 3 LOUD BEEPS. WHEN THE BEEPS STOP, THE ABS WARNING LIGHT STAYS ON, THE BRAKE WARNING LIGHT BLINKS CONTINUALLY. SINCE THE FIRST INCIDENT, THIS NOW HAPPENS EVERY TIME I DRIVE THE CAR. SOMETIMES THE LIGHTS WILL GO OUT AND STAY OUT FOR 5-10 MINUTES, FOR THE WHOLE THING TO START OVER AGAIN. WHEN THESE LIGHTS ARE ON, THE ABS DOES NOT WORK. I HAD A PANIC STOP TO AVOID A DEER AND THE REAR WHEELS LOCKED UP. THE CAR SKIDDED BUT I DID NOT CRASH. DEALER SAYS THAT THE ABS CONTROLLER COMPUTER MUST BE REPLACED, AT A COST OF $1300. THIS IS APPARENTLY VERY COMMON ON 2000 S4 AND A4 AUDI'S. I CONTACTED AUDI OF AMERICA, THEY REFUSE TO FIX THE PROBLEM, DENYING THAT IT IS A SAFEY ISSUE AND SAYING THAT THE CAR IS OUT OF WARRANTY.

NHTSA ODI #10090981

70,100 miles · Jul 2, 2004
Service Brakes, Air

I JUST HAD MY ROTORS AND PADS REPLACED ON ALL FOUR WHEELS OF MY 2000 AUDI S4. LESS THAN THREE WEEKS AFTER THAT REPAIR, THE ABS COMPUTER FAILED. I DON'T KNOW IF THE TWO INCIDENTS ARE RELATED BUT I AM WORRIED ABOUT THE FAILURE OF THE ABS CONTROLLER AT SUCH A YOUNG AGE. COMPUTER PARTS DO NOT TAKE WEAR AND TEAR AND SHOULD BE DESIGNE…

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I JUST HAD MY ROTORS AND PADS REPLACED ON ALL FOUR WHEELS OF MY 2000 AUDI S4. LESS THAN THREE WEEKS AFTER THAT REPAIR, THE ABS COMPUTER FAILED. I DON'T KNOW IF THE TWO INCIDENTS ARE RELATED BUT I AM WORRIED ABOUT THE FAILURE OF THE ABS CONTROLLER AT SUCH A YOUNG AGE. COMPUTER PARTS DO NOT TAKE WEAR AND TEAR AND SHOULD BE DESIGNED FOR THE EXPECTED LIFE OF THE CAR- NOT FOUR YEARS LIKE FOR ME. I HAVE READ ON THE INTERNET OF MANY OTHER SIMILAR FAILURES AND I AM CONCERNED OF A GENERAL SAFETY ISSUE, PARTICULARLY FOR SUCH A CRITICAL PART LIKE AN ABS CONTROLLER.*AK

NHTSA ODI #10079163

55,785 miles · Jun 18, 2004
Service Brakes, Air

ABS ( ANITLOCK BRAKE SYSTEM ) FAILURE, WILL CUASE BRAKE LOCK-UP AND WILL RESULT IN A ACCIDENT. ABS HAS NOT BEEN REPAIRED DUE TO THE AMOUNT OF MONEY THAT IT WOULD TAKE TO FIX ( $ 1200-1600 ). ABS PUMP MODULE NEEDS TO BE REPLACED. I HAVED RESEARCED THAN MANY OTHER AUDI OWNERS HAVE THE SAME EXACT PROBLEM. *AK

NHTSA ODI #10078441

84,000 miles · Feb 3, 2004
Service Brakes, Air

ABS CONTROL MODULE NEEDED TO BE REPLACED IN 2000 AUDI S4 AFTER NUMEROUS FALSE DASHBOARD WARNING LIGHT INDICATIONS WERE INTERMITTENTLY DISPLAYED WILL DRIVING. *AK

NHTSA ODI #10056399

Official recalls

1

21V470000 · Air Bags:frontal:driver Side:inflator Module

Jun 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.

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

0

No exact-year investigations in this snapshot.