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2004 Audi A6 recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

4 recalls found in NHTSA data as of September 22, 2026

For the 2004 Audi A6. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Audi been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Audi dealer can also check your VIN. Recall repairs are free.

2004 Audi A6 recalls, newest first

May 3, 2011NHTSA 11V2670005,992 vehicles potentially affected

Fuel system, other › Storage › Tank assembly

Summary
Volkswagen is recalling certain model year 2001-2004 Audi A6, model year 2002-2003 S6 and model year 2003 RS6 vehicles equipped with 4.2L engines and manufactured from June 19, 2001, through June 8, 2004. The aging of the plastic material in the fuel tank rollover valve combined with bending stress from the aluminum ventilation line to the rollover valve nipple may lead to cracking of the nipple. If this happens, a fuel leak may result.
Consequence
A fuel leak in the presence of an ignition source could lead to a vehicle fire.
Remedy
Dealers will reinforce the nipple on the rollover valve to prevent leakage or repair the cracking at the nipple. The recall is expected to begin during June 2011. Owners may contact Audi at 1-800-822-2834.

This recall on nhtsa.gov

April 8, 2008NHTSA 08V15700068,240 vehicles potentially affected

Fuel system, gasoline › Storage › Tank assembly

Summary
Volkswagen is recalling 68,240 my 2001-2004 Audi A6 quattro vehicles equipped with 2.7L, 2.8L, or 3.0L engines and my 2001-2005 allroad quattro vehicles equipped with 2.7L or 4.2L engines. The aging of the plastic material in the fuel tank rollover valve combined with bending stress from the aluminum ventilation line to the rollover valve nipple may lead to cracking of the nipple. If this happens, a fuel leak may result.
Consequence
A fuel leak in the presence of an ignition source could lead to a vehicle fire.
Remedy
Dealers will reinforce the nipple on the rollover valve to prevent leakage or repair the cracking at the nipple. The recall began on June 27, 2008. Owners may contact Audi at 1-800-822-2834.

This recall on nhtsa.gov

June 5, 2006NHTSA 06V19800070,512 vehicles potentially affected

Electrical system

Summary
On certain passenger vehicles equipped with halogen low beam headlights, certain connector pins in the headlight switch connector come into contact with each other causing a short circuit. Note: vehicles with xenon low beam headlights are not affected because the circuit in these vehicles contains a fuse, which precludes excessive current flow in the case of a short circuit. Audi S6 and S6 avant vehicles are all equipped with xenon low beam headlights and, therefore, are not longer affected by this recall.
Consequence
This condition could lead to overheating or fire.
Remedy
Dealers will reroute the wiring harness by installing a jumper wiring harness. The recall began on December 16, 2006. Owners may contact Audi at 1-800-822-2834.

This recall on nhtsa.gov

March 18, 2004NHTSA 04V133000172,866 vehicles potentially affected

Electrical system

Summary
On certain passenger vehicles, if a driver's knees push against the knee bolster (crash element) located under the dashboard, it can contact the headlight switch wiring harness, and an electrical short could occur.
Consequence
A fire could originate in the left dashboard area.
Remedy
Dealers will install a protective covering on the knee bolster (crash element). In addition, the wiring harness as well as the felt protector on the left side of the dashboard carrier will be checked, and replaced if necessary. The recall began on July 26, 2004. Owners should contact Audi at 1-800-822-2834.

This recall on nhtsa.gov

Owner complaints

Owners have filed 35 complaints about the 2004 Audi A6 with NHTSA. Complaints are unverified reports from the public; NHTSA uses them to decide what to investigate.

Crashes reported
1
Fires reported
2
Injuries reported
1
Deaths reported
0

Most complained-about components

  1. Fuel system6
  2. Service brakes5
  3. Gasoline4
  4. Electrical system3
  5. Fuel/propulsion system3

Other Audi A6 years

Other 2004 Audi models

Most recalled 2004 vehicles

  1. 2004 Honda Accord (22 recalls)
  2. 2004 Ford E-250 (18 recalls)
  3. 2004 Blue Bird Vision (17 recalls)
  4. 2004 Ford F-150 (16 recalls)
  5. 2004 Chevrolet Silverado (15 recalls)
All of 2004’s most recalled vehicles

Questions

Does the 2004 Audi A6 have any recalls?
4 recalls found in NHTSA data as of September 22, 2026, covering: fuel system, other, fuel system, gasoline, electrical system. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 2004 Audi A6 recall has been fixed?
Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Audi dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 2004 Audi A6?
35 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.