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2006 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 2006 Audi A4 are substantially higher than the model-year median of 76.5.

About this comparison →

When problems were reported

Mileage at the reported incident

194 reports with mileage · 101 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.

  • Exterior Lighting. Review the 159 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 73 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

8 crash reports4 fire reports5 injury reports

What owners actually said

295 reports
26,250 miles · Jul 25, 2010
Exterior Lighting

FLICKERING OF BOTH XENON HEADLIGHTS WITH NO APPARENT REASON. IT OCCURS ABOUT EVERY 45 SECONDS. THE DEALERSHIP HAS ADVISED TO REPLACE THE BALLAST (CONTROL UNIT) FOR OVER 1000 USD, WHEREAS IN MANY OTHERS' EXPERIENCE, THIS HAS NOT HAD A POSITIVE RESOLUTION FOR THE PROBLEM. *TR

NHTSA ODI #10345118

55,000 miles · Jul 20, 2010
Structure

THE REAR WINDOW IS SEPARATING FROM THE ROOF OF MY 2006 AUDI A4 CABRIOLET. THE DEALER REFUSES TO FIX THIS. *TR

NHTSA ODI #10344221

71,000 miles · Jul 15, 2010
Engine And Engine CoolingFuel System, Gasoline

I HAVE HAD A CONTINUING PROBLEMS WITH MY 2006 AUDI A4 QUATTRO 2.0 WITH ACCELERATION WHILE PULLING OUT UNTO A HIGHWAY. THE VEHICLE BOGS DOWN IN FRONT OF TRAFFIC ONCOMING TRAFFIC. MY PRIVATE MECHANIC PROVIDED ME A BULLETIN ON THE PROBLEM. THE AUDI DEALER HAS FAILED TO ACKNOWLEDGE A TECHNICAL SERVICE BULLETIN REGARDING ABNORMAL …

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I HAVE HAD A CONTINUING PROBLEMS WITH MY 2006 AUDI A4 QUATTRO 2.0 WITH ACCELERATION WHILE PULLING OUT UNTO A HIGHWAY. THE VEHICLE BOGS DOWN IN FRONT OF TRAFFIC ONCOMING TRAFFIC. MY PRIVATE MECHANIC PROVIDED ME A BULLETIN ON THE PROBLEM. THE AUDI DEALER HAS FAILED TO ACKNOWLEDGE A TECHNICAL SERVICE BULLETIN REGARDING ABNORMAL CAMSHAFT WEAR AND FAILURE WITH THE STANDARD STOCK FACTORY INSTALLED PUMPS WHICH ARE FROM A DESIGN FLAW. THE COMPANY HAS REFUSED TO TAKE CORRECTIVE ACTION. THE NHTSA HAS THREE ITEMS#10024427, 10030593 AND 10025965 REGARDING ISSUES WITH THE FUEL SYSTEM. IN CHECKING ONLINE WITH A GOOGLE SEARCH, IT APPEARS MANY 2004-06 AUDI'S HAVE THE SAME ISSUE WHICH CREATE A DANGER TO THE DRIVING PUBLIC. THE TSB IS NOT MAKING AUDI LOOK INTO THE PROBLEM AND I FEEL MANY CONSUMERS ARE PLANNING TO MAKE REPAIRS FOR AUDI'S DESIGN FLAW INCLUDING THEIR COVER-UP OF THE DESIGN FLAW. IT IS CRITICAL THAT THIS ISSUE BE INVESTIGATED BEFORE SOMEONE IS SERIOUSLY INJURED. THE CONSUMER STATED THE CHECK ENGINE LIGHT HAS BEEN ON FOR THE MAJORITY OF THE TIME HE HAS OWNED THE VEHICLE DUE TO PROBLEMS WITH THE FUEL SYSTEM AND OR THE IGNITION COILS. NUMEROUS TIMES, THE VEHICLE HAS FAILED TO ACCELERATE PROPERLY. THE VEHICLE WAS TAKEN TO THE DEALER AND UPON INSPECTION THE TECHNICIAN NOTED AN OIL PRESSURE ISSUE INVOLVING THE CYLINDER HEAD, BEARINGS AND SHORT BLOCK. THE CONSUMER BELIEVED THE ADDITIONAL PROBLEMS WERE DUE TO A DEFECTIVE CAMSHAFT. UPDATED IVOQ 08/19/10*JB UPDATED IVOQ 10/18/10*JB *TR THE CONSUMERS MECHANIC NOTICED METAL SHAVINGS IN THE OIL WHEN PERFORMING AN OIL CHANGE. THE CHECK ENGINE LIGHT PERIODICALLY FLASHED AND THE ENGINE DID NOT RUN SMOOTHLY. UPDATED IVOQ 01/12/11. *JB THE CONSUMER ALSO STATED THERE WERE PROBLEMS WHEN ACCELERATING FROM A STOP WHICH MAY CAUSE AN ACCIDENT. UPDATED IVOQ 02/09/11 UPDATED 05/25/11

NHTSA ODI #10343478

65,000 miles · Jul 7, 2010
Exterior Lighting

AUDI A4 2006 HEADLIGHT DIPS AND GOES OUT DURING DRIVING AT NIGHT. NUMEROUS COMPLAINTS POSTED, BUT NO SOLUTION HAS BEEN ESTABLISHED BY AUDI. *TR

NHTSA ODI #10341862

72,000 miles · Jul 1, 2010
Exterior Lighting

MY 06 AUDI A4 B7 2.0T IS HAVING PROBLEMS WITH ITS HEADLIGHTS THAT ARE FLICKERING AND THEN GOING OUT. THE ONLY WAY TO FIX THE PROBLEM IS TO TURN OFF THE HEADLIGHTS MANUALLY AND THEN TURN THEM BACK ON. THE HID LIGHTS DO THIS QUITE FREQUENTLY, IT SEEMS TO BE A BIG ISSUE WHEN I AM DRIVING AND NIGHT AND ONE OF MY HEADLIGHTS FLICKERS …

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MY 06 AUDI A4 B7 2.0T IS HAVING PROBLEMS WITH ITS HEADLIGHTS THAT ARE FLICKERING AND THEN GOING OUT. THE ONLY WAY TO FIX THE PROBLEM IS TO TURN OFF THE HEADLIGHTS MANUALLY AND THEN TURN THEM BACK ON. THE HID LIGHTS DO THIS QUITE FREQUENTLY, IT SEEMS TO BE A BIG ISSUE WHEN I AM DRIVING AND NIGHT AND ONE OF MY HEADLIGHTS FLICKERS OUT AND THEN I HAVE TO TURN MY LIGHTS OFF TO GET IT TO COME BACK ON. I HAVE HAD ON NUMEROUS OCCASIONS BOTH OF THEM FLICKER OUT AND I GET THE WARNING LIGHT INSIDE THE CAR STATING THAT THEY HAVE "DIPPED". I HAVE READ MANY AUDI OWNERS FORUMS AND THEY ARE HAVING THE SAME PROBLEMS! I HAVE REPORTED IT TO AUDI AND ALL THEY TELL ME IS THAT IT'S COMMON AND THEY CAN START REPLACING PARTS, BUT CAN NOT GUARANTEE THAT IT WILL FIX THE PROBLEM. MY CAR IS OUT OF WARRANTY AND THEY ARE WANTING 1,000.00 FOR THEM TO REPLACE THE HID BULBS AND BALLASTS. BUT FROM WHAT I READ DOING THIS DOES NOT SOLVE THE PROBLEM, I CAN NOT AFFORD TO PAY THAT KIND OF MONEY AND NOT HAVE A GUARANTEE THAT THE PROBLEM WILL BE FIXED!! *TR

NHTSA ODI #10340964

34,000 miles · Jun 17, 2010
Air Bags

2006 AUDI A4 CABRIOLET AIR BAG LIGHT COMES ON AND STAYS ON. DEALER CHECKED WIRING CONNECTIONS UNDER SEAT AND LIGHT WENT OUT. 1WEEK LATER IT'S BACK ON. THIS TIME THEY SODERED THE WIRES AND CLEARED THE CODE. A WEEK OR 2 LATER IT'S BACK ON AND THEY DID SOMETHING ELSE, WHAT I'M NOT SURE. 2 WEEKS AFTER THAT LIGHT IS ON AND THEY REPLA…

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2006 AUDI A4 CABRIOLET AIR BAG LIGHT COMES ON AND STAYS ON. DEALER CHECKED WIRING CONNECTIONS UNDER SEAT AND LIGHT WENT OUT. 1WEEK LATER IT'S BACK ON. THIS TIME THEY SODERED THE WIRES AND CLEARED THE CODE. A WEEK OR 2 LATER IT'S BACK ON AND THEY DID SOMETHING ELSE, WHAT I'M NOT SURE. 2 WEEKS AFTER THAT LIGHT IS ON AND THEY REPLACE AIRBAG IN DRIVERS SEAT. A FEW WEEKS AFTER THAT IT IS ON AGAIN AND THE DEALER REPLACES THE RING IN THE STEERING WHEEL ( CLOCKSPRING??) 2 WEEKS AFTER THAT THE LIGHT IS ON AGAIN AND THE CAR IS CURRENTLY AT THE DEALER. AM TOLD IT IS A RANDOM FAULT. THE CAR HAS ABOUT 35000 MILES ON IT AND THE FACTORY WARRANTY IS ABOUT TO EXPIRE AND THE AUDI CERTIFIED WARRANTY ABOUT TO KICK IN. I PURCHASED THE CAR WITH ABOUT 33,000 MILES ON IT. *TR

NHTSA ODI #10336737

54,000 miles · Jun 16, 2010
Steering

TL* THE CONTACT OWNS A 2006 AUDI A4. WHILE PERFORMING A U-TURN, THE POWER STEERING PUMP PULLEY SEPARATED FROM THE VEHICLE. THE CONTACT SPOKE WITH THE DEALER WHO REPLACED THE POWER STEERING PUMP PULLEY. IN ADDITION, THE A/C COMPRESSOR WAS NO LONGER FUNCTIONING DUE TO THE POWER STEERING PUMP FAILURE. THE COMPRESSOR WAS NOT REPAIR…

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TL* THE CONTACT OWNS A 2006 AUDI A4. WHILE PERFORMING A U-TURN, THE POWER STEERING PUMP PULLEY SEPARATED FROM THE VEHICLE. THE CONTACT SPOKE WITH THE DEALER WHO REPLACED THE POWER STEERING PUMP PULLEY. IN ADDITION, THE A/C COMPRESSOR WAS NO LONGER FUNCTIONING DUE TO THE POWER STEERING PUMP FAILURE. THE COMPRESSOR WAS NOT REPAIRED. THE CURRENT AND FAILURE MILEAGES WERE 54,000.

NHTSA ODI #10336567

50,000 miles · Jun 14, 2010
Exterior Lighting

LEFT HEADLIGHT DIPPED PROBLEM WITH MY 2006 AUDI A4. THE LIGHTS COME ON WHEN THE CAR STARTS, AND THEY FLICKER A LITTLE, SOMETIMES THE LEFT HEADLIGHT WILL SHUT OFF AND I WILL HAVE TO TURN THE LIGHTS OFF AND TURN THEM BACK ON TO 'RE-START' THE LEFT HEADLIGHT. OFTEN THIS WILL ALSO HAPPEN WHILE DRIVING IF I AM ON A BUMPY ROAD OR A …

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LEFT HEADLIGHT DIPPED PROBLEM WITH MY 2006 AUDI A4. THE LIGHTS COME ON WHEN THE CAR STARTS, AND THEY FLICKER A LITTLE, SOMETIMES THE LEFT HEADLIGHT WILL SHUT OFF AND I WILL HAVE TO TURN THE LIGHTS OFF AND TURN THEM BACK ON TO 'RE-START' THE LEFT HEADLIGHT. OFTEN THIS WILL ALSO HAPPEN WHILE DRIVING IF I AM ON A BUMPY ROAD OR A CURVY ROAD. THE LEFT HEADLIGHT WILL GO OUT, AND IT WILL GIVE ME THE 'LEFT HEADLIGHT DIPPED' WARNING ON MY DASH. I WILL USUALLY HAVE TO WAIT TILL I GET TO A STOP SIGN OR STOP LIGHT TO SHUT OFF MY LIGHTS AND TURN THEM BACK ON. THIS SEEMS TO FIX THE PROBLEM TEMPORARILY, BUT IT CONTINUES TO HAPPEN. AUDI HAS NOT BEEN ABLE TO REMEDY THE SITUATION. *TR

NHTSA ODI #10336240

54,000 miles · Jun 10, 2010
Exterior Lighting

ON THE 2006 AUDI A4, THE LEFT HEADLIGHT WILL FLICKER THEN TURN OFF. I HAVE TO TURN OFF THE LIGHTS, THEN BACK ON AND THE LIGHT IS NORMAL AGAIN FOR A PERIOD OF TIME. THE PROBLEM IS INTERMITTENT. MANY OTHERS ON THE WEB ARE COMPLAINING ABOUT THIS PROBLEM AND AUDI HAS NOT RECALLED AND DOES NOT APPEAR TO HAVE A COMMON FIX. THE MOST CO…

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ON THE 2006 AUDI A4, THE LEFT HEADLIGHT WILL FLICKER THEN TURN OFF. I HAVE TO TURN OFF THE LIGHTS, THEN BACK ON AND THE LIGHT IS NORMAL AGAIN FOR A PERIOD OF TIME. THE PROBLEM IS INTERMITTENT. MANY OTHERS ON THE WEB ARE COMPLAINING ABOUT THIS PROBLEM AND AUDI HAS NOT RECALLED AND DOES NOT APPEAR TO HAVE A COMMON FIX. THE MOST COMMON SOLUTION OTHERS HAVE EXPERIENCED IS REPLACING THE IGNITER. *TR

NHTSA ODI #10335603

Mileage unknown · May 30, 2010
Exterior Lighting

INTERMITTENT HEADLIGHT MALFUNCTION. OVER THE COURSE OF 4.5 YEARS OF OWNERSHIP, THE LEFT HEADLIGHT HAS MALFUNCTIONED (TURNED OFF), WITH NO CONSISTENT CAUSE APPARENT. THE SPECIFIC ERROR MESSAGE THAT APPEARS IN THE DRIVER INFORMATION SCREEN IS "LEFT HEADLIGHT DIPPED". THIS CONDITION IS BOTH UNSAFE, AND ILLEGAL - AS MANY STATES WILL…

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INTERMITTENT HEADLIGHT MALFUNCTION. OVER THE COURSE OF 4.5 YEARS OF OWNERSHIP, THE LEFT HEADLIGHT HAS MALFUNCTIONED (TURNED OFF), WITH NO CONSISTENT CAUSE APPARENT. THE SPECIFIC ERROR MESSAGE THAT APPEARS IN THE DRIVER INFORMATION SCREEN IS "LEFT HEADLIGHT DIPPED". THIS CONDITION IS BOTH UNSAFE, AND ILLEGAL - AS MANY STATES WILL ISSUE A TRAFFIC VIOLATION FOR DRIVING WITH A NON-FUNCTIONING HEADLIGHT. IT HAS HAPPENED ABOUT 60-70 TIMES, THE HEADLIGHT FLICKERS, THEN GOES OUT, BUT WILL COME BACK ON WHEN THE CAR IS RESTARTED. SEEMS TO BE WORSE WHEN IT IS COLD OUT. ANECDOTAL EVIDENCE (CONVERSATIONAL, AND VIA INTERNET OWNERS' FORUMS) SUGGESTS THAT THE PROBLEM IS WIDESPREAD AMONG A SUBSTANTIAL PORTION OF AUDI'S MODEL RANGE AND YEARS. *TR

NHTSA ODI #10333903

Official recalls

3

18V427000 · Air Bags:frontal:passenger Side:inflator Module

Jun 22, 2018

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2005-2008 Audi A4 Sedan, A4 Avant, S4 Avant and S4 Sedan, 2007-2008 RS4 Sedan, 2004 RS4 Cabriolet, 2007-2009 A4 Cabriolet and S4 Cabriolet, 2005-2011 A6 Sedan, 2006-2011 A6 Avant, and 2007-2011 S6 Sedan vehicles. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the passenger frontal air bag, these inflators may explode due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Consequence & remedy

Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

Remedy: Audi has notified owners, and dealers will replace the passenger frontal air bag with an alternate remedy part, free of charge. The recall began June 29, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69R7. Note: This recall supersedes recalls 16V382, 17V032 and 18V004 and includes vehicles that may have had their air bag previously replaced under one of those campaigns.

17V032000 · Air Bags:frontal:passenger Side:inflator Module

Jan 11, 2017

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, the District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Additionally, unless included in "Zone B" above, Volkswagen is recalling certain 2005-2008 Audi A4 Avant, A4 Sedan, A6 Sedan, S4 Avant and S4 Sedan vehicles, 2007-2008 A4 Cabriolet, RS4 Sedan, S4 Cabriolet and S6 Sedan vehicles, and 2006-2008 A6 Avant and 2008 RS4 Cabriolet vehicles originally sold, or ever registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Consequence & remedy

Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Remedy: Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began March 30, 2018. Owners may contact Audi customer service at 1-800-253-2834. Note: This recall has been superseded by recall number 18V427.

16V382000 · Air Bags:frontal:passenger Side:inflator Module

Jun 1, 2016

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2004-2008 Audi A4, and 2005-2011 Audi A6 vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, unless included in "Zone A" above, Volkswagen is recalling certain model year 2004-2008 Audi A4, and 2005-2008 Audi A6 vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Lastly, unless included in "Zone A" or "Zone B" above, Volkswagen is recalling model year 2004 Audi A4 vehicles originally sold, or registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Consequence & remedy

Consequence: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Remedy: Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. Owner notification letters were mailed April 28, 2017. Owners may contact Audi customer service at 1-800-822-2834.

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.