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Model Year Problem Record

Audi A4 2004 - Problems, Recalls, and Investigations

The complete public record for the 2004 Audi A4: what owners reported, which systems drew recalls, and where complaints exist that no recall has ever covered.

189Distinct owner complaintsSource: NHTSA Complaints
2Recall campaignsSource: NHTSA Recalls
3Defect investigationsSource: NHTSA Investigations
16Complaints reporting a crash or fireOwner Reports, Unverified

Complaints by System

Distinct complaints naming each system, most reported first. Select a system for its own page.

Did a Recall Cover It?

The join between complaints and recalls for this model year, system by system. A gap does not prove a defect - it means owners reported the problem and no recall campaign covers that system on this model year.

Fuel and Propulsion System58 complaints

58 complaints; no recall campaign covers this system.

Engine28 complaints

28 complaints; no recall campaign covers this system.

Air Bags26 complaints

26 complaints; 1 recall campaign covers this system. Campaigns: 16V382000.

Visibility17 complaints

17 complaints; no recall campaign covers this system.

Vehicle Speed Control16 complaints

16 complaints; no recall campaign covers this system.

Tires16 complaints

16 complaints; no recall campaign covers this system.

Electrical System15 complaints

15 complaints; no recall campaign covers this system.

Lighting14 complaints

14 complaints; 1 recall campaign covers this system. Campaigns: 05V096000.

Power Train12 complaints

12 complaints; no recall campaign covers this system.

Unknown Or Other6 complaints

6 complaints; no recall campaign covers this system.

Brakes5 complaints

5 complaints; no recall campaign covers this system.

Vehicle Structure4 complaints

4 complaints; no recall campaign covers this system.

Equipment3 complaints

3 complaints; no recall campaign covers this system.

Steering3 complaints

3 complaints; no recall campaign covers this system.

Suspension1 complaints

1 complaints; no recall campaign covers this system.

Seat Belts1 complaints

1 complaints; no recall campaign covers this system.

Recall Campaigns

Every campaign covering this model year, in our own words. The campaign number is the official reference.

05V096000Reported March 15, 2005 - 9,965 vehicles potentially affected

Lighting. Recall covering the lighting system, reported to NHTSA on March 15, 2005. The campaign covers an estimated 9,965 vehicles across all affected models.

16V382000Reported June 1, 2016 - 194,453 vehicles potentially affected

Air Bags. Recall covering the air bags system, reported to NHTSA on June 1, 2016. The campaign covers an estimated 194,453 vehicles across all affected models.

Defect Investigations

NHTSA's Office of Defects Investigation opened these investigations touching this model year.

PE08027Opened April 14, 2008 - Closed August 6, 2008

ENGINE STALLING - FUEL PUMP FAILURE. No recall campaign resulted from this investigation.

PE08027Opened April 14, 2008 - Closed August 6, 2008

ENGINE STALLING - FUEL PUMP FAILURE. No recall campaign resulted from this investigation.

PE08027Opened April 14, 2008 - Closed August 6, 2008

ENGINE STALLING - FUEL PUMP FAILURE. No recall campaign resulted from this investigation.

Complaints by Year Received

When this model year's complaints reached NHTSA - whether its problems surfaced early or late in its life.

200417
20058
200612
200712
200827
200924
201032
201116
20128
20133
20146
20154
20167
20171
20184
20191
20203
20212
20221
20231
How to Read These Counts: complaint counts are owner reports to NHTSA, not failure rates. Older and higher-volume vehicles accumulate more reports, and counts are not adjusted for vehicles sold - no per-sales rate or reliability ranking is shown, because the public data does not support one.

Data as of October 30, 2026. Sources: NHTSA Office of Defects Investigation complaints, recalls, and investigations files (U.S. Government public domain). DefectRecord is not affiliated with NHTSA or any manufacturer. For your specific vehicle, use NHTSA's VIN lookup. Report an error.