Audi A4 Recalls: Every NHTSA Recall by Model Year

Component: Equipment (electrical, infotainment, video (touch)screen/monitor/unit)

A4 model years: 2022 · about 6,076 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 AUDI A8, A6 Allroad, E-TRON Quattro, 2022 S3, RSQ8, RS7, RS6 Avant, Q8, Q7, Q3, E-TRON Sportback Quattro, S5 Cabriolet, E-TRON GT, S5 Sportback, A7, A6, A5 Sportback, A5 Cabriolet, A4, A4 Allroad, A3, S8, SQ7, SQ8, S6, and S4 vehicles. The infotainment main unit may become damaged internally when the vehicle is shut off, resulting in an inoperative rearview camera display the next time the vehicle is started. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

The risk: An inoperative rearview camera display reduces the driver's rear visibility, increasing the risk of a crash.

The fix: Dealers will replace the infotainment main unit, free of charge. Owner notification letters were mailed June 6, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Audi's number for this recall is 91Ei.

Component: Backup camera / back-over prevention (display function)

A4 model years: 2021 · about 170,296 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Coupe, A5 Cabrioleet, A4 Sedan, A4 Allroad, E-Tron Sportback Quattro, SQ7, S5 Cabriolet, E-Tron Quattro, SQ8, SQ5 Sportback, SQ5, S8, S7, S6 Sedan, S5 Sportback, S5 Coupe, 2022 E-Tron GT, and 2021-2022 RSQ8 vehicles. Due to a software issue, a blank or black screen may be displayed instead of the rearview camera image when the vehicle is placed in reverse gear. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

The risk: A blank rearview camera display can reduce the driver's rear visibility, increasing the risk of a crash.

The fix: Dealers will update the infotainment unit software, free of charge. Owner notification letters were mailed October 25, 2022. Owners may contact Audi's customer service at 1-800-253-2834. Volkswagen's number for this recall is 91DZ.

Component: Air bags (frontal, driver side, inflator module)

A4 model years: 1997–1998 · about 28,624 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 1998 Audi A8 and 1997-1998 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 inflator may absorb moisture, causing the inflator to explode or the air bag cushion to underinflate.

The risk: The inflator could explode during air bag deployment, resulting in metal fragments striking the driver or other occupants. An underinflated air bag may not properly protect the occupant. These scenarios increase the risk of serious injury or death.

The fix: Dealers will replace the driver's air bag inflator with an alternative inflator of a different design, free of charge. Owner notification letters were sent September 21, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 69BT. The vehicles in this recall were mistakenly omitted from recall 20V-056. All vehicle owners have already been notified by mail and informed that the remedy is available.

Component: Engine & cooling (engine, engine control module (ecu/ecm))

A4 model years: 2022 · about 72 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2022 Audi A6 Sedan, A4 Sedan, Q5, and Q5 Sportback vehicles. The semiconductor inside the engine control unit may short-circuit and cause an engine stall.

The risk: An engine stall can increase the risk of a crash.

The fix: Dealers will replace the engine control unit, free of charge. Owner notification letters were mailed July 18, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 24iH.

Component: Tires

A4 model years: 2020–2021 · about 31,058 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A6 Sedan, A7, A8, Q5, S4 Sedan, S5 Coupe, S5 Cabriolet, S6 Sedan, S7, S8, SQ5, 2021 Q5 Sportback, Q7, Q8, RS6 Avant, RS7, RSQ8, SQ5 Sportback, SQ7, and SQ8 vehicles. The rear axle alignment may not have been inspected after the repairs for Recall 21V-295 (42L1) were performed.

The risk: Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.

The fix: Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely or unevenly worn tires, free of charge. Owner notification letters were mailed March 3, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L5.

Component: Air bags (sensor, occupant classification, front passenger)

A4 model years: 2017–2020 · about 208,332 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.

The risk: A disabled passenger air bag increases the risk of injury in the event of a crash.

The fix: Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.

Component: Backup camera / back-over prevention (sensing system, camera)

A4 model years: 2022 · about 2,857 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi A8 and S8, 2022 Audi A5 Sportback, A4 Sedan, E-Tron GT, Q3, Q5, RS6 Avant, A3 Sedan, S5 Sportback, Q5 Sportback, Q7, Q8, RSQ8, SQ7, SQ8, and S3 Sedan vehicles. A software error may prevent the rear-view image from initially displaying when the vehicle begins to reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

The risk: A rear-view camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.

The fix: Dealers will update the infotainment unit parameters, free of charge. Owner notification letters were mailed November 9, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 91CR.

Component: Seat belts (rear/other, retractor)

A4 model years: 2021 · about 45,496 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro, E-Tron Sportback Quattro, Q3, Q5, Q5 Sportback, Q7, Q8, RS5 Sportback, RS5 Coupe, RS6 Avant, RS7, RSQ8, S4 Sedan, S5 Cabriolet, S5 Coupe, S5 Sportback, S6 Sedan, S7, S8, SQ5, SQ5 Sportback, SQ7, SQ8, and 2021-2022 S3 Sedan vehicles. The rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

The risk: An unsecured child restraint system can increase the risk of injury during a crash.

The fix: Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge. Owner notification letters were mailed August 27, 2021. Owners may contact Volkswagen customer service at 1-800-893-5298 and Audi customer service at 1-800-253-2834. Volkswagen's numbers for this recall are 69CR (VW) and 69CS (Audi).

Component: Air bags (frontal, driver side, inflator module)

A4 model years: 2000–2002 · about 62,812 vehicles in the whole campaign

The problem: 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.

The risk: 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.

The fix: 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.

Component: Suspension (rear, axle, non-powered axle assembly)

A4 model years: 2020–2021 · about 40,993 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sedan, A4 Allroad, SQ5, S7, A6 sedan, S5 coupe, S4 sedan, S5 Cabriolet, A5 coupe, 2019-2021 RS5 coupe, A5 Sportback, S5 Sportback, RS5 Sportback vehicles. The lock nut on the trailing arm of the rear axle may break due to stress corrosion.

The risk: A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a crash.

The fix: Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner notification letters were mailed June 4, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 42L1.

Component: Air bags (frontal, driver side, inflator module)

A4 model years: 1999–2000 · about 106,857 vehicles in the whole campaign

The problem: 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.

The risk: 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.

The fix: 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.

Component: Air bags (frontal, passenger side, inflator module)

A4 model years: 2005–2008 · about 237,947 vehicles in the whole campaign

The problem: 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.

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

The fix: 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.

Component: Air bags (frontal, passenger side, inflator module)

A4 model years: 2005–2009 · about 33,421 vehicles in the whole campaign

The problem: 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.

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

The fix: 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.

Component: Air bags (frontal, passenger side, inflator module)

A4 model years: 2004–2008 · about 194,453 vehicles in the whole campaign

The problem: 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.

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

The fix: 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.

Component: Air bags

A4 model years: 2008–2009 · about 8,381 vehicles in the whole campaign

The problem: Volkswagen Group of America, Inc. (VW) is recalling certain model year 2008-2009 Audi A4, A5, and Q5 vehicles. In the affected vehicles, the air bag control units may corrode and fail.

The risk: If the air bag control unit fails, the air bags may not deploy in the event of a crash, increasing the risk of occupant injury.

The fix: Audi will notify owners, and dealers will replace the air bag control unit, free of charge. The recall began October 2016. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69O1.

Component: Engine & cooling (engine)

A4 model years: 1999–2005 · about 50 vehicles in the whole campaign

The problem: 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.

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

The fix: 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.

Component: Fuel system

A4 model years: 2003 · about 34,358 vehicles in the whole campaign

The problem: ON CERTAIN VEHICLES EQUIPPED WITH 1.8L TURBO, 2.8L V6, OR 3.0L ENGINES, A CHANGE IN THE ELECTRICAL MOTOR COMPONENTS IN THE FUEL PUMP CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, ULTIMATELY, STOPPAGE OF FUEL SUPPLY TO THE ENGINE CAUSING IT TO STALL.

The risk: IF FUEL FLOW TO THE ENGINE IS INTERRUPTED, THE VEHICLE COULD STALL WITHOUT WARNING AND THUS PRESENT A POTENTIAL RISK OF CRASH.

The fix: DEALERS WILL INSTALL NEW FUEL PUMPS FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 28, 20007. OWNERS MAY CONTACT VW AT 1-800-222-8987 OR AUDI AT 1-800-822-2834. THIS RECALL IS A SUPPLEMENT TO A PREVIOUS CAMPAIGN (PLEASE SEE 06V017).

Component: Electrical system (ignition, switch)

A4 model years: 1996–1997 · about 28,594 vehicles in the whole campaign

The problem: ON CERTAIN PASSENGER VEHICLES, AS A RESULT OF A PROBLEM IN THE PRODUCTION PROCESS OF THE IGNITION SWITCH, THE ANCHOR POINT OF THE SPRING MAY CRACK. THIS COULD POTENTIALLY CAUSE THE RETURN SPRING FORCE TO BE INSUFFICIENT FOR RETURNING THE IGNITION KEY TO THE RUNNING POSITION AFTER STARTING THE ENGINE.

The risk: THIS CONDITION CAUSES ELECTRICAL ACCESSORIES SUCH AS WINDSHIELD WIPERS AND HEADLIGHTS TO BECOME INOPERATIVE INCREASING THE RISK OF A CRASH.

The fix: DEALERS WILL INSTALL A NEW IGNITION SWITCH WITH AN OPTIMIZED ANCHOR POINT FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 27, 2006. OWNERS MAY CONTACT AUDI AT 1-800-822-2834. NOTE: THIS RECALL SUPERSEDES THE REMEDY PROGRAM UNDER A PREVIOUS RECALL (PLEASE SEE 00V317).

Component: Exterior lighting

A4 model years: 1995–2000 · about 87,745 vehicles in the whole campaign

The problem: CERTAIN AAI MOTORSPORTS COMBINATION LAMPS SOLD AS REPLACEMENT LAMPS FOR USE ON THE ABOVE LIST PASSENGER VEHICLES. COMBINATION LAMPS NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."

The risk: LACK OF AMBER SIDE REFLECTORS IN THE LAMPS WILL DECREASE LIGHTING VISIBILITY TO OTHER DRIVERS AND MAY POSSIBLY RESULT IN A VEHICLE CRASH

The fix: AAI MOTORSPORTS WILL NOTIFY OWNERS AND REPLACE THE LAMPS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 1, 2006. OWNERS MAY CONTACT AAI MOTORSPORTS AT 909-923-9188.

Component: Exterior lighting

A4 model years: 1996–2001 · about 27,176 vehicles in the whole campaign

The problem: 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.

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

The fix: 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.

Component: Fuel system

A4 model years: 2003 · about 74,000 vehicles in the whole campaign

The problem: ON CERTAIN VEHICLES PRODUCED FROM SEPTEMBER 2002 - MARCH 2003, EQUIPPED WITH 1.8L TURBO, 2.8L V6, OR 3.0L ENGINES, A CHANGE IN THE ELECTRICAL MOTOR COMPONENTS IN THE FUEL PUMP CAN LEAD TO AN INOPERATIVE FUEL PUMP AND, ULTIMATELY, STOPPAGE OF FUEL SUPPLY TO THE ENGINE CAUSING IT TO STALL.

The risk: IF FUEL FLOW TO THE ENGINE IS INTERRUPTED, THE VEHICLE COULD STALL WITHOUT WARNING AND THUS PRESENT A POTENTIAL RISK OF CRASH.

The fix: DEALERS WILL INSTALL NEW FUEL PUMPS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 10, 2006. OWNERS MAY CONTACT VW AT 1-800-222-8987 OR AUDI AT 1-800-822-2834.

Component: Exterior lighting (headlights)

A4 model years: 2003–2004 · about 9,965 vehicles in the whole campaign

The problem: ON CERTAIN PASSENGER VEHICLES, THERE IS A POSSIBILITY OF XENON HEADLAMP COATING DEGRADATION OVER TIME. THE LUMINOUS TRANSMITTANCE OF THE HEADLAMP MAY DECREASE OVER A PERIOD OF TIME.

The risk: THIS CONDITION COULD AFFECT A DRIVER'S FIELD OF VIEW, INCREASING THE RISK OF A CRASH.

The fix: DEALERS WILL REPLACE THE LEFT AND RIGHT XENON HEADLAMP REFLECTORS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 11, 2005. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

Component: Steering (linkages, rod, relay, connecting)

A4 model years: 1999 · about 83,000 vehicles in the whole campaign

The problem: VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT SEAL PROPERLY.

The risk: IF MOISTURE AND/OR DUST PARTICLES ENTER THE SWIVEL BEARING MECHANISM, THE SWIVEL BEARING COULD WEAR OVER TIME DIMINISHING THE STEERING CONTROL OF THE VEHICLE.

The fix: DEALERS WILL REPLACE THE TIE RODS.

Component: Electrical system (ignition, switch)

A4 model years: 1996–1997 · about 27,900 vehicles in the whole campaign

The problem: VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE PLASTIC IGNITION SWITCH HOUSING CAN FRACTURE AT THE RETURN SPRING ANCHOR POINT. FRACTURE OF THE HOUSING COULD CAUSE THE RETURN SPRING FORCE TO BE INSUFFICIENT FOR RETURNING THE IGNITION KEY TO THE RUNNING POSITION AFTER STARTING THE ENGINE.

The risk: THIS CONDITION CAUSES ELECTRICAL ACCESSORIES SUCH AS WINDSHIELD WIPERS AND HEADLIGHTS TO BECOME INOPERATIVE.

The fix: DEALERS WILL REPLACE THE IGNITION SWITCH.

Component: Steering (linkages, rod, relay, connecting)

A4 model years: 1998–1999 · about 51,900 vehicles in the whole campaign

The problem: VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT SEAL PROPERLY.

The risk: IF MOISTURE AND/OR DUST PARTICLES ENTER THE SWIVEL BEARING MECHANISM, THE SWIVEL BEARING COULD WEAR OVER TIME DIMINISHING THE STEERING CONTROL OF THE VEHICLE.

The fix: DEALERS WILL REPLACE THE TIE RODS.

Component: Service brakes

A4 model years: 1997–1999 · about 88,121 vehicles in the whole campaign

The problem: VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS. A CONTROL VALVE IN THE VACUUM HOSE CONNECTING THE BRAKE BOOSTER TO THE INTAKE MANIFOLD MAY NOT OPEN OR CLOSE FULLY AT TEMPERATURES BELOW -4 F UNDER CERTAIN DRIVING CONDITIONS.

The risk: THIS CONDITION COULD CAUSE INSUFFICIENT VACUUM TO BE PROVIDED TO THE BRAKE BOOSTER.

The fix: DEALERS WILL INSTALL A VACUUM BY-PASS SYSTEM INTO VEHICLES OPERATED IN THESE STATES WHICH IS DESIGNED TO PROVIDE SUFFICIENT VACUUM FOR FULL BRAKE ASSIST UNDER ALL WEATHER CONDITIONS.

Component: Engine & cooling (cooling system)

A4 model years: 1998 · about 19,800 vehicles in the whole campaign

The problem: VEHICLE DESCRIPTION: PASSENGER VEHICLES. IF THE ENGINE BACKFIRES DURING A COLD-START, AN AIR SCREEN WHICH IS LOOSELY SEATED IN THE AIR FLOW METER CAN BECOME DAMAGED.

The risk: SCREEN PIECES COULD ENTER THE INTAKE AIR FLOW SYSTEM AND PREVENT THE THROTTLE PLATE FROM RETURNING TO ITS FULL IDLE POSITION.

The fix: DEALERS WILL INSTALL A RETAINING RING TO HOLD THE AIR SCREEN IN PLACE.

Component: Air bags (frontal)

A4 model years: 1995–1997 · about 39,300 vehicles in the whole campaign

The problem: VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE DISCHARGE OF STATIC ELECTRICITY UNDER LOW HUMIDITY CONDITIONS CAN ACTIVATE THE DRIVER SIDE AIR BAG WHEN THE DRIVER ENTERS OR EXITS THE VEHICLE AND FORMS AN ELECTRICAL CIRCUIT BY TOUCHING CERTAIN AREAS OF THE STEERING WHEEL.

The risk: ACTIVATION OF THE AIR BAG UNDER THESE CONDITIONS CAN CAUSE PERSONAL INJURY.

The fix: DEALERS WILL INSTALL A GROUND WIRE ON THE DRIVER SIDE AIR BAG.

Component: Seat belts (rear/other)

A4 model years: 1997 · about 12 vehicles in the whole campaign

The problem: VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE REAR SEAT BELT RETRACTORS MAY NOT LOCK PROPERLY WHEN ENGAGED, OR NOT REMAIN LOCKED AFTER BEING ENGAGED.

The risk: IN THE EVENT OF A CRASH, AN IMPROPERLY LOCKING SEAT BELT COULD CAUSE INJURY TO AN OCCUPANT.

The fix: DEALERS WILL REPLACE THE REAR SEAT BELT ASSEMBLY.

Component: Electrical system (horn)

A4 model years: 1996 · about 3,700 vehicles in the whole campaign

The problem: THE HORN CAN WORK ONLY INTERMITTENTLY DUE TO INSUFFICIENT ELECTRICAL GROUND CONTACT.

The risk: THIS CONDITION COULD PREVENT A DRIVER FROM SOUNDING A WARNING BY USING THE HORN INCREASING THE POTENTIAL FOR A VEHICLE ACCIDENT.

The fix: CORRECTIVE ACTION: DEALERS WILL INSTALL A GROUND CONTACT SPRING WHICH WILL ENHANCE THE ELECTRICAL GROUND CONNECTION.