Total Complaints
31 filings
AUDI A8 · model year
31 NHTSA complaints, and 1 active recall for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2004AUDIA8 carries 31 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 3 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2004 A8 is electrical system with 4 filings, followed by vehicle speed control (4) and service brakes (2). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 1 active recall campaign, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 9 investigation files overlapping the 2004 A8. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
31 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ELECTRICAL SYSTEM | 4 |
| VEHICLE SPEED CONTROL | 4 |
| SERVICE BRAKES | 2 |
| SEATS:FRONT ASSEMBLY:HEAD RESTRAINT | 1 |
| SERVICE BRAKES, HYDRAULIC | 1 |
| VISIBILITY:POWER WINDOW DEVICES AND CONTROLS | 1 |
| VEHICLE SPEED CONTROL:ACCELERATOR PEDAL | 1 |
| VISIBILITY:SUN/MOON ROOF ASSEMBLY | 1 |
| TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS | 1 |
| LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK | 1 |
| VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR | 1 |
| VISIBILITY:WINDSHIELD WIPER/WASHER | 1 |
| PARKING BRAKE | 1 |
| VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR | 1 |
| VISIBILITY | 1 |
AIR BAGS:FRONTAL
ON CERTAIN PASSENGER VEHICLES, DURING PRODUCTION OF THE DRIVER'S FRONTAL AIR BAG, THE AIR BAG MAY NOT UNFOLD PROPERLY IN THE EVENT OF A CRASH AND THEREFORE MAY NOT INFLATE AS DESIGNED.
WHILE DRIVING AND/OR PARKING AND/OR PUTTING KEY IN IGNITION TO START MY VEHICLE ABS LIGHT; STABILIZATION; AND SPEEDOMETER SEEMS AS THOUGH BEING HACKED...SOMETIMES ESPECIALLY IN THE SUMMER WHEN TEMPERATURES REACH 100 DEGREES + MY HEATER IS HACKED ON AND MY INTERIOR OF THE VEHICLE IS LIFE THREATENING HOT!!! HAVE TO OPEN WINDOWS TO 100 DEGREES TEMPERATURE OUTSIDE...MY INTERIOR LIGHTS JUST COME ON AND DRAIN MY BATTERY....AND MY SOUND SYSTEM FLIPS OPEN AND MUSIC PLAYS WHEN IM IN MY HOUSE AND HAS SHUT OFF MY CAR AND WHILE DRIVING MY SOUND SYSTEM COMES ON AND MY RADIO IS REMOTELY CONTROLLED---HACKED BECAUSE MY STATIONS ARE SWITCHED IE. TUNED TO DIFFERENT STATIONS AND MY CDS ARE SCROLLED THROUGH THE TRACKS WITHOUT MY DOING SO....AND MY VEHICLE WAS HACKED FOR IT TO SPEED UP WHEN I WASNT ACCELORATING IN A WALMART PARKING LOT....THAT COULD HAVE INJURED MYSELF OR OTHERS..BUT I HIT THE BRAKES AND CUT MY CAR OFF IN A PARKING SPACE...MY SPEEDOMETER IS ALWAYS BEING HACKED THAT WHEN I DRIVING AT NO MA
Mileage: 183,000
WHILE DRIVING AND/OR PARKING AND/OR PUTTING KEY IN IGNITION TO START MY VEHICLE ABS LIGHT; STABILIZATION; AND SPEEDOMETER SEEMS AS THOUGH BEING HACKED...SOMETIMES ESPECIALLY IN THE SUMMER WHEN TEMPERATURES REACH 100 DEGREES + MY HEATER IS HACKED ON AND MY INTERIOR OF THE VEHICLE IS LIFE THREATENING HOT!!! HAVE TO OPEN WINDOWS TO 100 DEGREES TEMPERATURE OUTSIDE...MY INTERIOR LIGHTS JUST COME ON AND DRAIN MY BATTERY....AND MY SOUND SYSTEM FLIPS OPEN AND MUSIC PLAYS WHEN IM IN MY HOUSE AND HAS SHUT OFF MY CAR AND WHILE DRIVING MY SOUND SYSTEM COMES ON AND MY RADIO IS REMOTELY CONTROLLED---HACKED BECAUSE MY STATIONS ARE SWITCHED IE. TUNED TO DIFFERENT STATIONS AND MY CDS ARE SCROLLED THROUGH THE TRACKS WITHOUT MY DOING SO....AND MY VEHICLE WAS HACKED FOR IT TO SPEED UP WHEN I WASNT ACCELORATING IN A WALMART PARKING LOT....THAT COULD HAVE INJURED MYSELF OR OTHERS..BUT I HIT THE BRAKES AND CUT MY CAR OFF IN A PARKING SPACE...MY SPEEDOMETER IS ALWAYS BEING HACKED THAT WHEN I DRIVING AT NO MA
Mileage: 183,000
WHILE DRIVING AND/OR PARKING AND/OR PUTTING KEY IN IGNITION TO START MY VEHICLE ABS LIGHT; STABILIZATION; AND SPEEDOMETER SEEMS AS THOUGH BEING HACKED...SOMETIMES ESPECIALLY IN THE SUMMER WHEN TEMPERATURES REACH 100 DEGREES + MY HEATER IS HACKED ON AND MY INTERIOR OF THE VEHICLE IS LIFE THREATENING HOT!!! HAVE TO OPEN WINDOWS TO 100 DEGREES TEMPERATURE OUTSIDE...MY INTERIOR LIGHTS JUST COME ON AND DRAIN MY BATTERY....AND MY SOUND SYSTEM FLIPS OPEN AND MUSIC PLAYS WHEN IM IN MY HOUSE AND HAS SHUT OFF MY CAR AND WHILE DRIVING MY SOUND SYSTEM COMES ON AND MY RADIO IS REMOTELY CONTROLLED---HACKED BECAUSE MY STATIONS ARE SWITCHED IE. TUNED TO DIFFERENT STATIONS AND MY CDS ARE SCROLLED THROUGH THE TRACKS WITHOUT MY DOING SO....AND MY VEHICLE WAS HACKED FOR IT TO SPEED UP WHEN I WASNT ACCELORATING IN A WALMART PARKING LOT....THAT COULD HAVE INJURED MYSELF OR OTHERS..BUT I HIT THE BRAKES AND CUT MY CAR OFF IN A PARKING SPACE...MY SPEEDOMETER IS ALWAYS BEING HACKED THAT WHEN I DRIVING AT NO MA
Mileage: 183,000
TL* THE CONTACT OWNS A 2004 AUDI A8. WHILE THE VEHICLE WAS PARKED, A STRONG FUEL ODOR EMITTED FROM THE REAR PASSENGER SIDE OF THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE CONTACT WAS AWARE OF NHTSA CAMPAIGN NUMBER: 11V267000 (FUEL SYSTEM, OTHER), BUT THE VIN WAS NOT INCLUDED. THE FAILURE MILEAGE WAS 170,000.
Mileage: 170,000
DRIVER SMELLED SMOKE SHORTLY AFTER STARTING HIS VEHICLE AND DRIVING AWAY FROM HIS HOME. THE SMELL WAS OF PLASTIC, AND IT WAS ASSUMED FROM AN ELECTRICAL SHORT/FIRE. THE DRIVER STOPPED THE CAR AND INSPECTED THE ENGINE AREA. NO EVIDENCE OF FIRE, HOWEVER THE DRIVER TURNED BACK AND DROVE THE VEHICLE HOME. STRONG BURNING PLASTIC SMELL AGAIN AS THE VEHICLE WAS STOPPED. THE CABIN WAS FILLING WITH SMOKE. DRIVER OPENED THE TRUNK AS THE BATTERY WAS LOCATED IN THE RIGHT REAR SECTION OF THE TRUNK. SMOKE WAS EMANATING FROM THE BATTERY COMPARTMENT. A PLASTIC PANEL WAS REMOVED FOR INSPECTION. LOCATED DIRECTLY UNDER THE BATTERY WAS A PLASTIC MODULE IDENTIFIED AS TRW *334 GNOACDOBNC28U* AND STAMPED MADE IN MALAYSIA??. THE DEALER STATED THAT THE MODULE CONTROLS THE ELECTRIC PARKING BRAKE FOR THE CAR. INSPECTING THE UNIT, MULTIPLE WIRE LEADS THAT FEED THE E-BRAKE CONTROL UNIT HAD BURNED THROUGH, AS DID A PORTION OF THE E-BRAKE CONTROL UNIT. THE BODY AREA OF THE CAR NEAR THE UNIT WAS COVERED IN
Mileage: 120,000
DRIVER SMELLED SMOKE SHORTLY AFTER STARTING HIS VEHICLE AND DRIVING AWAY FROM HIS HOME. THE SMELL WAS OF PLASTIC, AND IT WAS ASSUMED FROM AN ELECTRICAL SHORT/FIRE. THE DRIVER STOPPED THE CAR AND INSPECTED THE ENGINE AREA. NO EVIDENCE OF FIRE, HOWEVER THE DRIVER TURNED BACK AND DROVE THE VEHICLE HOME. STRONG BURNING PLASTIC SMELL AGAIN AS THE VEHICLE WAS STOPPED. THE CABIN WAS FILLING WITH SMOKE. DRIVER OPENED THE TRUNK AS THE BATTERY WAS LOCATED IN THE RIGHT REAR SECTION OF THE TRUNK. SMOKE WAS EMANATING FROM THE BATTERY COMPARTMENT. A PLASTIC PANEL WAS REMOVED FOR INSPECTION. LOCATED DIRECTLY UNDER THE BATTERY WAS A PLASTIC MODULE IDENTIFIED AS TRW *334 GNOACDOBNC28U* AND STAMPED MADE IN MALAYSIA??. THE DEALER STATED THAT THE MODULE CONTROLS THE ELECTRIC PARKING BRAKE FOR THE CAR. INSPECTING THE UNIT, MULTIPLE WIRE LEADS THAT FEED THE E-BRAKE CONTROL UNIT HAD BURNED THROUGH, AS DID A PORTION OF THE E-BRAKE CONTROL UNIT. THE BODY AREA OF THE CAR NEAR THE UNIT WAS COVERED IN
Mileage: 120,000
I OWN A 2004 AUDI A8 QUATRO, THIS MORNING THE CAR ACCELERATED ON IT'S OWN. THE DRIVER SEAT, STEERING WHEEL, AND THE CAR SUSPENSION ADJUSTED AUTOMATICALLY WHILE I WAS DRIVING IT AND IT WENT FROM 40MPH TO 150+ WITHOUT ME HAVING MY FOOT ON THE ACCELERATOR. FOR A MINUTE I THOUGHT I WAS GOING TO DIE. I SLOWLY STARTING PRESSING ON THE BRAKE PEDAL HOPING THE CAR WOULD NOT FLIP. IT TOOK ABOUT 2 TO 3 MINUTES FOR ME TO SLOW DOWN THE CAR. I PUT THE EMERGENCY BRAKE AND TURNED IT OFF. I TURNED IT BACK ON AND THE ENGINE WAS STILL ACCELERATED, IT SOUNDED IT LIKE THE ACCELERATOR WAS STUCK EVEN THOUGH THE CAR WAS ON PARK. *TR
I OWN A 2004 AUDI A8 QUATRO, THIS MORNING THE CAR ACCELERATED ON IT'S OWN. THE DRIVER SEAT, STEERING WHEEL, AND THE CAR SUSPENSION ADJUSTED AUTOMATICALLY WHILE I WAS DRIVING IT AND IT WENT FROM 40MPH TO 150+ WITHOUT ME HAVING MY FOOT ON THE ACCELERATOR. FOR A MINUTE I THOUGHT I WAS GOING TO DIE. I SLOWLY STARTING PRESSING ON THE BRAKE PEDAL HOPING THE CAR WOULD NOT FLIP. IT TOOK ABOUT 2 TO 3 MINUTES FOR ME TO SLOW DOWN THE CAR. I PUT THE EMERGENCY BRAKE AND TURNED IT OFF. I TURNED IT BACK ON AND THE ENGINE WAS STILL ACCELERATED, IT SOUNDED IT LIKE THE ACCELERATOR WAS STUCK EVEN THOUGH THE CAR WAS ON PARK. *TR
I OWN A 2004 AUDI A8 QUATRO, THIS MORNING THE CAR ACCELERATED ON IT'S OWN. THE DRIVER SEAT, STEERING WHEEL, AND THE CAR SUSPENSION ADJUSTED AUTOMATICALLY WHILE I WAS DRIVING IT AND IT WENT FROM 40MPH TO 150+ WITHOUT ME HAVING MY FOOT ON THE ACCELERATOR. FOR A MINUTE I THOUGHT I WAS GOING TO DIE. I SLOWLY STARTING PRESSING ON THE BRAKE PEDAL HOPING THE CAR WOULD NOT FLIP. IT TOOK ABOUT 2 TO 3 MINUTES FOR ME TO SLOW DOWN THE CAR. I PUT THE EMERGENCY BRAKE AND TURNED IT OFF. I TURNED IT BACK ON AND THE ENGINE WAS STILL ACCELERATED, IT SOUNDED IT LIKE THE ACCELERATOR WAS STUCK EVEN THOUGH THE CAR WAS ON PARK. *TR
I OWN A 2004 AUDI A8 QUATRO, THIS MORNING THE CAR ACCELERATED ON IT'S OWN. THE DRIVER SEAT, STEERING WHEEL, AND THE CAR SUSPENSION ADJUSTED AUTOMATICALLY WHILE I WAS DRIVING IT AND IT WENT FROM 40MPH TO 150+ WITHOUT ME HAVING MY FOOT ON THE ACCELERATOR. FOR A MINUTE I THOUGHT I WAS GOING TO DIE. I SLOWLY STARTING PRESSING ON THE BRAKE PEDAL HOPING THE CAR WOULD NOT FLIP. IT TOOK ABOUT 2 TO 3 MINUTES FOR ME TO SLOW DOWN THE CAR. I PUT THE EMERGENCY BRAKE AND TURNED IT OFF. I TURNED IT BACK ON AND THE ENGINE WAS STILL ACCELERATED, IT SOUNDED IT LIKE THE ACCELERATOR WAS STUCK EVEN THOUGH THE CAR WAS ON PARK. *TR
TWO AIR SUSPENSION SYSTEMS WENT OUT FOR NO REASON IN MY CAR. MY CAR IS A 2004 A8L WITH 64,000 MILES. THEY WERE LEAKING. THIS WAS $5,000 EXPENSE. I THINK THEY ARE DEFECTIVE. *TR
Mileage: 64,000
TWO AIR SUSPENSION SYSTEMS WENT OUT FOR NO REASON IN MY CAR. MY CAR IS A 2004 A8L WITH 64,000 MILES. THEY WERE LEAKING. THIS WAS $5,000 EXPENSE. I THINK THEY ARE DEFECTIVE. *TR
Mileage: 64,000
WHILE DRIVING DOWN THE HIGHWAY CAR SUDDENLY STALLED WITHOUT WARNING. RESTARTED CAR AND HAD IT STALL SEVERAL TIMES. CAR HAS BEEN SENT TO BE EVALUATED BY A MECHANIC. *TR
2004 AUDI A 8 L GAS PEDAL STICKS IN ACCELERATION MODE. HAS HAPPENED 4-5 TIMES. DEALER WAS NOTIFIED BUT DID NOT RESPOND OR TAKE ACTION. I HAD TO SHIFT INTO NEUTRAL GEAR AND PUMP PEDAL. THIS HAS HAPPENED SEVERAL TIMES WHEN STEPPING ON THE ACCELERATOR HARD. LAST INCIDENT DATE BELOW TIM WALKER *TR
THE WINDSHIELD WIPERS WILL STOP INTERMITTENTLY. THEY HAVE STOPPED DURING HEAVY RAIN ON AN EXPRESSWAY SEVERAL TIMES RESULTING IN A LOSS OF VISION. THE DEALERS COULD NOT GET THE PROBLEM TO REPEAT SO THEY SAID THAT THEY COULDN'T DO ANYTHING. I CALLED THE AUDI ADVOCATE PHONE LINE AND WAS TOLD THAT AUDI WOULD NOT ADDRESS THE ISSUE. THEN I WROTE AUDI AND ASK FOR A REFUND AND THE AUDI ADVOCATE RETURNED THE CALL AND MAINTAINED THE SAME RESPONSE. *TR
Mileage: 9,520
2004 AUDI A8L, PURCHASED IN 07/2004. FRONT WIPERS "HESITATED" IN THE RAIN A COUPLE OF TIMES. LOCAL DEALER SAID COULD NOT REPRODUCE. A FEW MONTHS LATER, WIPERS COMPLETELY STOPPED, WHILE DRIVING AT HIGHWAY SPEEDS, LEAVING ME WITHOUT VISIBILITY FOR SEVERAL MINUTES. PULLED OVER AND REMOVED/REPLACED FUSED. WIPERS STARTED UP AGAIN. LOCAL DEALER SAID COULDN'T REPRODUCE. WIPERS FAILED TWO MORE TIMES, AND HESITATED NUMEROUS OTHER TIMES, WHEN I FINALLY DECIDED TO NOT DRIVE THE CAR. THROUGHOUT ALL, DEALER CLAIMS HE'S UNABLE TO REPRODUCE THE PROBLEM, AUDI AMERICA DISCLAIMS ALL LIABILITY FOR ACCIDENTS FROM WIPER-FAILURE. CAR WAS GARAGED AS UNSAFE TO DRIVE FOR THE REMAINING 17 MONTHS OF THE LEASE. JUST THIS WEEK I FOUND OUT THAT AUDI GERMANY KNOWS ABOUT THIS PROBLEM, AND HAS REDESIGNED THE WIPER-MOTOR BEFORE 02/2004. NUMEROUS REPORTS OF THIS FAILURE HAVE SURFACED ON THE INTERNET, AND EXCHANGING THE WIPER-MOTOR ALLEVIATED THE PROBLEM. AUDI SHOULD RECALL ALL AFFECTED VEHICLES AND REPLACE T
Mileage: 4,000
EMERGENCY BRAKE CONTROL MODULE FAILED. FACTORY HAD A RECALL ON CAR TO REPROGRAM THIS MODULE, DEALER SAID MODULE COULDN'T BE REPROGRAMMED BECAUSE IT HAD FAILED. PARTS AND LABOR WAS $509.00 FAILURE OF THIS COMPONENT I CONSIDERED A SAFETY RELATED ITEM AS THIS ALSO ACTS AS EMERGENCY BRAKE FOR VEHICLE. *NM
Mileage: 82,000
WINDSHIELD WIPERS SUDDENLY STOP MID-SWIPE AND PARK!!! *JB
Mileage: 3,200
DT: THE CONTACT STATED A GALLON OF MILK SPILLED INTO THE DRIVER'S SEAT. THE MILK SPILLED UNDERNEATH THE SEAT. WHEN THIS HAPPENED IT SHORTED OUT THE ELECTRICAL MODULE THAT OPERATED THE DASHBOARD LIGHTS AND HEADLIGHTS. AS A RESULT THE LIGHTS WERE BLINKING IN AND OUT. CURRENTLY, THE VEHICLE IS AT A CERTIFIED DEALERSHIP FOR REPAIRS.*AK UPDATED 12/27/2005 - THE TIRE PRESSURE MONITORING LIGHT ILLUMINATED ON THE DASH. THE DEALER REPLACED THE MODULE. THE TRUNK WOULD NOT CLOSE PROPERLY. *NM
Mileage: 14,433
DT: THE CONTACT STATED A GALLON OF MILK SPILLED INTO THE DRIVER'S SEAT. THE MILK SPILLED UNDERNEATH THE SEAT. WHEN THIS HAPPENED IT SHORTED OUT THE ELECTRICAL MODULE THAT OPERATED THE DASHBOARD LIGHTS AND HEADLIGHTS. AS A RESULT THE LIGHTS WERE BLINKING IN AND OUT. CURRENTLY, THE VEHICLE IS AT A CERTIFIED DEALERSHIP FOR REPAIRS.*AK UPDATED 12/27/2005 - THE TIRE PRESSURE MONITORING LIGHT ILLUMINATED ON THE DASH. THE DEALER REPLACED THE MODULE. THE TRUNK WOULD NOT CLOSE PROPERLY. *NM
Mileage: 14,433
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.