Problems · by component

1999 Audi A6 electrical system problems

37 owner complaints to NHTSA about the 1999 Audi A6 cite electrical system, 17% of all 217 complaints for this model year. NHTSA also lists 2 recalls on this component.

Complaints
37
17% of all complaints
Crashes
0
Reported by owners
Fires
19
Reported by owners
Injuries
7
Reported by owners
01 —Owner reports

What owners say about the electrical system

Verbatim from NHTSA complaints, newest first
“TAKATA RECALL I'VE HAD TO REPLACE A WHEEL BEARING AND AXEL 2X @ $550 EACH TIME. CAR WOULDN'T ALIGN RIGHT, SO I REPLACED THE TIRES SEVERAL TIMES DUE TO THE WEARING ON ONE SIDE. THE CALIPERS WON'T COME OFF WHEN CHANGING THE BRAKES AND ROTORS. THE AUTOMATIC WINDOWS WOULD RANDOMLY ROLL DOWN SOMETIMES AFTER IT WOULD RAIN, AND WOULDN'T ROLL BACK UP FOR SEVERAL DAYS. I FIXED THE TURN SIGNAL AND CRUISE CONTROL, BUT THE PROBLEMS WITH THOSE RETURNED AFTER A COUPLE WEEKS, AND WHILE I WAS DRIVING THE UNDER COVER/PROTECTOR PLASTIC BROKE OFF ALL OVER THE ROAD BECAUSE THE AUDI DEALERSHIP APPARENTLY FORGOT TO PUT IT BACK ON PROPERLY. THIS POSSIBLY ALLOWED FOR THE OIL PAN TO HIT THE GROUND AND CRACK, WHICH A SUSPENSION PROBLEM WAS CLEARLY PART OF THAT PROBLEM TOO. I TOOK IT IN TO SEE ABOUT A CRACK IN THE OIL PAN. THEY COULDN'T FIND IT, BUT SHORTLY THEREAFTER, I DROVE TO THE MOVIE STORE AND WHEN I GOT BACK TO MY CAR, IT WAS NO LONGER RUNNING. A PUDDLE OF OIL WAS SPILLING OUT OF IT, AND THE THE ENGINE WAS SHOT. I HAD THE CAR FOR ABOUT 2 YEARS. I'M GUESSING THAT THE PROBLEMS STEMMED FROM THE WHAT THE CAR WAS RECALLED FOR.”
Owner complaint to NHTSAFiled Apr 9, 2019Steering, Suspension, Electrical systemODI 11194856
“TL* THE CONTACT OWNS A 1999 AUDI A6. THE CONTACT STATED THAT WHILE DRIVING 25 MPH, SMOKE AND FLAMES BEGAN TO ENTER THE VEHICLE THROUGH THE AIR VENTS. THE CONTACT MOVED THE VEHICLE OVER AND EXTINGUISHED THE FIRE WITH A FIRE EXTINGUISHER. THE CONTACT STATED THAT THE PASSENGER SUSTAINED BURNS TO THE FINGERS. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR INSPECTION AND THE CAUSE OF THE FIRE WAS UNKNOWN. THERE WAS NOT A POLICE OR FIRE REPORT FILED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 96,000. *TR”
Owner complaint to NHTSAFiled Mar 6, 2013Electrical systemFire reportedODI 10501872
“SMOKE ERUPTED THROUGH VENT SYSTEM. PULLED CAR TO SIDE OF ROAD AND FAMILY OF 4 EVACUATED. WITHIN 90 SECONDS, THE DASH ERUPTED INTO FLAMES. INTERIOR/DASH ETC. WAS TOTALLY DESTROYED. MOTOR COMPARTMENT UNTOUCHED BY FIRE. SEEMS TO HAVE OCCURRED IN ELECTRICAL SYSTEM. HAVE PICTURES OF FIRE AND FIRE DEPT RESPONSE. *TR”
Owner complaint to NHTSAFiled Jul 30, 2010Electrical systemFire reportedODI 10346307
“WHILE DRIVING MY AUDI A6 AVANT QUATTRO, SMOKE BEGAN COMING OUT OF THE DRIVERS SIDE DASH VENT. I STOPPED THE CAR AS SOON AS I SAFELY COULD AND CALLED 911, AS SOON AS I WAS OUT OF THE VEHICLE THE SMOKE BECAME WORSE AND FLAMES BEGAN ROLLING OUT OF THE DASH AREA. THE FIRE WAS EXTINGUISHED ALMOST IMMEDIATELY WITH A FIRE EXTINGUISHER WHICH A NEARBY RESIDENT LUCKILY HAD HANDY. BY VIEWING THIS FIRE AT CLOSE RANGE I AM CERTAIN THAT THE VEHICLE WOULD HAVE BEEN COMPLETELY ENGULFED WITHIN MINUTES. THE FIRE DEPARTMENT USED A HEAT SENSING TOOL TO DETERMINE THAT THE SOURCE OF THE FIRE OR HOTSPOT WAS VERY NEAR THE FUSE BOX BEHIND THE HEADLIGHT SWITCH. THEY CUT THE DASH APART TO BE SURE THE FIRE WAS COMPLETELY OUT. I HAD NO WARNING OF THIS MALFUNCTION AND AM JUST THANKFUL THAT I WAS ABLE TO GET AWAY FROM THE VEHICLE AS QUICKLY AS I DID. *TR”
Owner complaint to NHTSAFiled Sep 8, 2009Electrical systemFire reportedODI 10283285
“DURING NORMAL USE AND DRIVING ABS, BRAKE LIGHT AND THE AIR BAG LIGHT COMES ON. ERRATIC AT FIRST THEN STEADY. DIAGNOSIS: ABS CONTROLLER FAILURE. DURING PERIOD OF FAILURE VEHICLE OPERATES BUT WITHOUT AUTOMATIC BRAKING SYSTEM. THIS APPEARS TO BE A COMMON CONCERN AFTER CONDUCTING A QUICK INTERNET SEARCH. MECHANIC STATES THIS IS COMMON. *TR”
Owner complaint to NHTSAFiled Apr 19, 2009Electrical systemODI 10266030
“TL*THE CONTACT OWNS A 1999 AUDI A6. WHILE DRIVING 65 MPH, THE CONTACT SMELLED A TOXIC ODOR FROM THE DRIVER'S SIDE OF THE VEHICLE. HE NOTICED GREEN SMOKE COMING FROM THE VENTS AND PULLED THE VEHICLE OVER. THE SMOKE FROM ALL FOUR OF THE VENTS TURNED INTO FLAMES. THE CONTACT EXITED THE VEHICLE AND THE FIRE DEPARTMENT WAS CALLED AND FILED A REPORT. THE VEHICLE WAS TOWED TO A SALVAGE YARD AND THE VEHICLE WAS INSPECTED TO DETERMINE THE CAUSE OF THE FIRE. THE VEHICLE WAS DESTROYED. THE CONTACT SUSTAINED MINOR INJURIES AND HAD TO GO TO THE HOSPITAL. THE FAILURE AND CURRENT MILEAGES WERE 9,000.”
Owner complaint to NHTSAFiled Dec 8, 2008Electrical systemFire reportedODI 10251116

Showing 6 of 37 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 28, 2026NHTSA vehicle page
02 —Related recalls

2 recalls on this component

Electrical system

Free remedy

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.

Electrical systemReported Jun 5, 2006NHTSA 06V198000

Electrical system

Free remedy

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.

Electrical systemReported Mar 18, 2004NHTSA 04V133000
Data from NHTSA Recalls API · synced Oct 28, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.