There are 3 stored owner reports matching the brakes leading-label group for the 2004 Audi A6 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)- ABS Module has intermittent failures, available for inspection - Anti-lock brakes will not work - Yes, the problem reoccurs and the module loses power and then errors out - Others - VCDS - ABS lights come on and BRAKE light stays illuminated
TL*THE CONTACT OWNS A 2004 AUDI A6 AVANT. THE CONTACT STATED THAT THE CHECK ENGINE LIGHT HAD BEEN ILLUMINATING INTERMITTENTLY. THE DEALER STATED THAT THE CONTACT SHOULD NOT WORRY ABOUT THE LIGHT. WHILE DRIVING 65 MPH, THE CONTACT SWERVED TO MISS A DEER AND LOST CONTROL OF THE VEHICLE. IT BEGAN TO ROCK BACK AND FORTH AND THE BRAKES WERE INOPERATIVE. THE CONTACT HIT GUARDRAILS ON BOTH THE DRIVER AND PASSENGER SIDES. THE VEHICLE THEN TIPPED ON ITS SIDE AND WENT INTO A RAVINE. THE ENGINE WAS STILL RUNNING AND THE WHEELS WERE STILL SPINNING. THE AIR BAGS DID NOT DEPLOY. THE CONTACT SUFFERED INJURIES TO THE COLLAR BONE, RIBS, A CONCUSSION, AND LOST TEETH. THE DEALER STATED THAT THERE COULD HAVE BEEN A PROBLEM WITH THE COMPUTER. THE VEHICLE WAS DESTROYED. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 190,000. UPDATED 04/08/11
DT: THE CONTACT STATED VEHICLE HAD A DESIGN FLAW ON THE SERVICE BRAKES. HE SUSPECTED THAT HEAT AND WEIGHT BALANCE ON THE BRAKES WAS CALCULATED INCORRECTLY. THE FRONT BRAKE CALIPERS BECAME DISCOLORED AND OVERHEATED. HE TOOK THE VEHICLE TO A DEALER FOR REPAIRS. THE DEALER REPLACED THE REAR BRAKES DUE TO DISCOLORATION. *AK THE CONSUMER STATED THE TRANSMISSION MAKES A HEAVY NOISE. UPDATED 12/27/05. *JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 31, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.