NHTSA vehicle safety data

2001 Audi A4 Recalls & Complaints

The 2001 Audi A4 has 3 NHTSA recall campaigns and 130 owner complaints on file as of November 3, 2026. Recall repairs are usually free at an authorized Audi dealer.

NHTSA recall and complaint data for the 2001 Audi A4. Recall data is refreshed daily from NHTSA.

Pre-purchase inspection checklist → Reliability & 5-year cost forecast →

2001 Audi A4 owner complaints

Owners have filed 130 complaints with NHTSA about the 2001 Audi A4, describing incidents dated November 15, 2000 to March 3, 2022.

Most-cited components

Electrical System 35 complaints
Engine 32 complaints
Service Brakes 32 complaints
Air Bags 10 complaints
Power Train 5 complaints
Unknown or Other 4 complaints

Of the 130 complaints on file, 5 report a crash and 9 a fire; across all 130 complaints, owners report 1 injury (owner-reported, not verified by NHTSA).

Newest complaints

ODI #11455179 · Filed March 4, 2022
The contact owns a 2001 Audi A4. The contact stated that upon closing the driver's side door, her husband heard a loud gun-like sound and he noticed that the passenger-side curtain air bags had deployed. There were no warning lights illuminated. The contact's husband cut the curtain air bags and…
ODI #11210749 · Filed May 29, 2019
2001 AUDI A4 QUATTRO 2.8L. AS DRIVING SMOKE WAS COMING FROM HOOD.. PARK AND REALIZE THE ENGINE WAS ON FIRE. IT LOOK LIKE IT STARTED BY THE PASSENGER SIDE HEADLIGHT AND SPREAD. I READ THAT AUDI HAD A RECALL ON HEAD LIGHT SWITCH BUT DID NOT REC, A RECALL LETTER. NOT EXACTLY SURE WHERE THE FIRE STARTED…
ODI #10896796 · Filed August 18, 2016
WHILE DRIVING THE VEHICLE ON A HIGHWAY GOING STRAIGHT AT ~65MPH THE PASSENGER SIDE CURTAIN AND SEAT AIRBAGS DEPLOYED FOR NO REASON. VEHICLE MANUFACTURER CITED A "CRASH" SIGNAL FROM SIDE IMPACT SENSOR WAS THE CAUSE OF THE FALSE DEPLOYMENT. NO PHYSICAL CAUSE COULD BE FOUND, NO DAMAGE WAS FOUND ON…

Read all 130 complaints

NHTSA defect investigations

NHTSA's investigations file lists the 2001 Audi A4 in 1 investigation. A listed model year means only that an investigation names it; it says nothing about any particular vehicle. An open investigation is not a finding that a safety defect exists, and NHTSA can close one without a recall.

Preliminary Evaluation PE02-008: BRAKE AND CLUTCH PEDAL BRACKET
Closed July 12, 2002

Open and recently closed NHTSA defect investigations

Air Bag Inflators May Underinflate Bag

NHTSA #21V470000 · Air Bags — Frontal — Driver Side — Inflator Module · NHTSA notice

Reported June 23, 2021 · Volkswagen Group of America, Inc.

Potentially affected: 62,812 vehicles

Repair completion: 6.11% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Manufacturer campaign 69CJ · Owners notified November 2, 2021

Defect description

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.

Safety 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.

Manufacturer 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.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Water Pump may cause Failure of Timing Belt

NHTSA #14E007000 · Engine and Engine Cooling — Engine · NHTSA notice

Reported March 7, 2014 · The Gates Corporation

Potentially affected: 50 vehicles

Repair completion: 2% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Owners notified May 1, 2014

Defect description

The Gates Corporation (Gates) is recalling certain aftermarket Tru-Flow Water Pumps, part number TFW 41127, sold at certain NAPA Auto Parts and/or installed by automotive service technicians after November 1, 2013 (and manufactured August 2013 through October 2013) that have a black-colored pulley/sprocket or do not have 'US9377' stamped on the water pump housing. These service replacement parts were sold for use in model year 1999-2005 Audi A4, 2000-2006 Audi TT, 1998-2005 Volkswagen Beetle, 1999-2006 Golf, 1999-2008 and 2011-2013 Volkswagen Jetta, and 2000-2005 Volkswagen Passat. In the affected water pumps, the pulley or sprocket that turns the timing belt may develop microfractures causing the timing belt to fail.

Safety consequence

A failure of the timing belt may cause the engine to shut down, potentially increasing the risk of a vehicle crash.

Manufacturer remedy

Gates will notify owners, and dealers will replace the water pump, free of charge. The recall began during May 2014. Owners may contact The Gates Corporation at 1-303-744-1911.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

FMVSS 108/AMBER SIDE REFLEX REFLECTORS

NHTSA #06E049000 · Exterior Lighting · NHTSA notice

Reported May 24, 2006 · CK MOTORSPORT, INC.

Potentially affected: 27,176 vehicles

Owners notified July 1, 2006

Defect description

CERTAIN CK MOTORSPORTS COMBINATION HEADLIGHTS, CLEAR CORNER, BUMPER, AND SIDE MARKER LIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON THE PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.

Safety consequence

WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING IN A VEHICLE CRASH WITHOUT WARNING.

Manufacturer remedy

CK MOTORSPORT WILL NOTIFY OWNERS AND REPLACE THE NONCOMPLIANT LAMPS FREE OF CHARGE. THE RECALL BEGAN ON JULY 1, 2006. OWNERS MAY CONTACT CK MOTORSPORT AT 1-909-610-7211.

Notes

THIS RECALL ONLY PERTAINS TO AFTERMARKET REPLACEMENT EQUIPMENT AND HAS NO RELATION TO ANY ORIGINAL EQUIPMENT INSTALLED ON VEHICLES MANUFACTURED BY THE VEHICLE MANUFACTURERS.FOR MORE INFORMATION ON THE LAMP MODEL NUMBERS, CLICK ON DOCUMENT SEARCH AND VIEW DOCUMENT TITLED "LAMP MODEL NUMBERS."CUSTOMERS MAY CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY: 1-800-424-9153); OR GO TO HTTP://WWW.SAFERCAR.GOV.

try.vin has no NCAP crash-test rating on file for the 2001 Audi A4. NHTSA rates some vehicles by body style — pickups by cab, vans by roof height — so check nhtsa.gov/ratings.

130 owner complaints have been filed with NHTSA for the 2001 Audi A4.

Air Bags

ODI #11455179

Incident: March 3, 2022 · Filed: March 4, 2022

The contact owns a 2001 Audi A4. The contact stated that upon closing the driver's side door, her husband heard a loud gun-like sound and he noticed that the passenger-side curtain air bags had deployed. There were no warning lights illuminated. The contact's husband cut the curtain air bags and drove the vehicle to his residence. The dealer was not notified of the failure. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 180,000. The VIN was not available.

Engine

ODI #11210749

Fire

Incident: May 27, 2019 · Filed: May 29, 2019

2001 AUDI A4 QUATTRO 2.8L. AS DRIVING SMOKE WAS COMING FROM HOOD.. PARK AND REALIZE THE ENGINE WAS ON FIRE. IT LOOK LIKE IT STARTED BY THE PASSENGER SIDE HEADLIGHT AND SPREAD. I READ THAT AUDI HAD A RECALL ON HEAD LIGHT SWITCH BUT DID NOT REC, A RECALL LETTER. NOT EXACTLY SURE WHERE THE FIRE STARTED MY AUDI CAUGHT ON FIRE. I DONT'T HAVE PICTURES TO UPLOAD BUT I WILL SOON. I AM VERY HURT TO KNOW THAT THE CAR I ENJOYED DRIVING CAUGHT ON FIRE/DISAPPOINTED WITH AUDI

Air Bags

ODI #10896796

Incident: July 18, 2016 · Filed: August 18, 2016

WHILE DRIVING THE VEHICLE ON A HIGHWAY GOING STRAIGHT AT ~65MPH THE PASSENGER SIDE CURTAIN AND SEAT AIRBAGS DEPLOYED FOR NO REASON. VEHICLE MANUFACTURER CITED A "CRASH" SIGNAL FROM SIDE IMPACT SENSOR WAS THE CAUSE OF THE FALSE DEPLOYMENT. NO PHYSICAL CAUSE COULD BE FOUND, NO DAMAGE WAS FOUND ON VEHICLE AND ALL AIRBAG SYSTEM WIRING WAS FOUND TO BE INTACT AND ORIGINAL. MANUFACTURER WOULD NOT OWN FAILURE AND CITED THE VEHICLE BEING LOWERED AS THE CAUSE. MANUFACTURER WAS UNABLE TO PROVIDE ANY EVIDENCE FOR THIS CONCLUSION AND VEHICLE IS WELL WITHIN LOCAL LAWS/REGULATIONS FOR LOWERED VEHICLES.

Service Brakes

ODI #10621083

Crash

Incident: August 2, 2014 · Filed: August 9, 2014

BRAKES WERE WORKING FINE, COMING OFF FREEWAY, WAS COASTING THRU LIGHT, TRAFFIC STOPPED, BRAKES NO LONGER WORKED, BRAKE PEDAL WAS SUDDENLY FLUSH WITH FLOOR. REARENDED A CAR, CAR STARTED JUMPING FORWARD. HAD TO USE THE EMERGENCY BRAKE TO STOP THE CAR. CAR WAS TOWED AFTER ACCIDENT, NOT BECAUSE IT WAS NOT DRIVABLE, IT WAS NOT DRIVABLE DUE TO BRAKE PROBLEM. REPAIR SHOP SAID BRAKES FAILED TO VACUUM HOSE BREAKING, NO WARNING PRIOR TO LOSING BRAKES. *TR

Engine

ODI #10619139

Incident: June 23, 2003 · Filed: August 5, 2014

THE CHECK ENGINE LIGHT (MIL) HAS HAD SEVERAL RECURRENCES. THE MASS AIR FLOW METER AND SENSOR HAVE BEEN REPLACED TWICE. ( 65,060 AND 107,894). THE INITIAL FAILURE WAS AT 36,512 MILES. 47,819 MILES, 65,060 MILES, 107,894 MILES,118,628 MILES AND IN JULY, 2014 AT 159,421 MILES, THERE WAS A WARRANTY EXTENSION LETTER IN NOVEMBER, 2003 THAT INCLUDED 2001 AUDI A-4 1.8T VEHICLES AND A VOLUNTARY EMISSIONS SERVICE ACTION 28F2/J1 IGNITION COIL INSPECTION/REPLACEMENT IN OCTOBER, 2009. SECONDARY ISSUE. UNABLE TO READ DASHBOARD DISPLAY. PIXELED. UNABLE TO READ SAFETY/VEHICLE NOTIFICATIONS. *TR

Seats

ODI #10557722

Incident: December 30, 2013 · Filed: December 30, 2013

WHILE USING MY HEATER ON MY SEATS AND A PILLOW FOR ADDITIONAL BACK SUPPORT, I NOTICED SMOKE AND BURNING SMELL WHEN PULLING INTO MY DRIVEWAY. WHEN GETTING OUT OF MY CAR I NOTICED THAT MY PILLOW WAS LEAKING...AND UPON PULLING THE PILLOW OFF THE DRIVERS SEAT, IT WAS DAMAGED/BURNED THROUGH. I ALSO NOTICED THAT A BURNED HOLE THE SIZE OF A QUARTER IS NOW QUITE VISIBLE. WORRIED THAT THIS MAY CAUSE A CAR FIRE. *TR

Service Brakes, Hydraulic

ODI #10451838

Incident: February 15, 2012 · Filed: March 15, 2012

TL* THE CONTACT OWNS A 2001 AUDI A4. THE CONTACT STATED THAT THE ABS WARNING LIGHT WAS ILLUMINATED ON THE INSTRUMENT PANEL AND THE BRAKE WARNING LIGHT WAS FLASHING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSTICS WHERE THE MECHANIC ADVISED THE CONTACT THAT THE ECU MODULE WOULD HAVE TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 112,000.

Electrical System

ODI #10450108

Incident: August 3, 2009 · Filed: March 2, 2012

THE INSTRUMENT CLUSTER 99% CANNOT BE READ DUE TO THE LCD DISPLAY FADING. HAVE DONE MULTIPLE SEARCHES AND 9 OUT OF 10 PEOPLE HAVE THIS SAME EXACT ISSUE. AUDI NEEDS TO STEP UP AND TAKE RESPONSIBILITY FOR THIS ISSUE. THIS HAS BEEN AN ONGOING ISSUE AND NEEDS TO BE FIXED. THIS HAS BEEN A HUGE PAIN FOR ME BECAUSE SOMETIMES MY CAR WILL BEEP AND DISPLAY SOMETHING ON THE LCD SCREEN BUT BECAUSE IT'S FADING I HAVE NO CLUE WHAT IT'S TELLING ME. I DON'T WANT TO BE DRIVING AND SOMETHING LIFE THREATENING HAPPEN BECAUSE OF A MISSED MESSAGE BECAUSE THE LCD SCREEN IS BROKEN. FIX THIS BEFORE PEOPLE GET HURT AND START FILING LAWSUITS. *TR

Exterior Lighting

ODI #10442519

Incident: October 4, 2007 · Filed: January 5, 2012

IN 2007 XENON HEADLIGHTS DROPPED/DIPPED HEADLIGHT LEVEL SENSOR REPLACED AND LIGHTS APPEARED TO WORK CORRECTLY. IN 2011 THE SAME PROBLEM OCCURRED AGAIN. HEADLIGHT LEVELING SENSOR AND WIRING HARNESS REPLACED. APPEARS TO BE WORKING OK. DRIVING WITH THE HEADLIGHTS AIMED INCORRECTLY IS A DANGEROUS DRIVING CONDITION. IT APPEARS THAT THERE IS A COMMON DESIGN FLAW WITH THE XENON HEADLIGHTS. *TR

Exterior Lighting

ODI #10434129

Incident: October 22, 2010 · Filed: November 3, 2011

WE HAVE EXPERIENCED AN INTERMITTENT PROBLEM WITH THE HID HEAD LIGHTS FLICKERING AND SHUTTING OFF DURING OPERATION AT NIGHT. THE LEFT LOW BEAM BEGAN TO FLICKER AND THEN SHUT OFF. THE HEAD LIGHT WARNING INDICATOR LIGHT COMES ON. AFTER INSPECTION THE NEXT DAY, LIGHTS CAME BACK ON AND WERE WORKING NORMALLY NO WARNING LIGHTS WERE ON. THIS APPEARS TO BE A COMMON PROBLEM WITH THIS TYPE OF CAR AND IN MY OPINION A VERY DANGEROUS ONE THAT NEEDS TO BE ADDRESSED BY AUDI IN A RECALL FOR THE OBVIOUS BALLAST, BULB, WIRING, PROBLEM THAT EXISTS ON THIS CAR. *TR

Other Audi A4 model years

Check your 2001 Audi A4 VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Audi A4 at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

Check an Audi VIN