Problems · by component

2002 Audi A4 electrical system problems

76 owner complaints to NHTSA about the 2002 Audi A4 cite electrical system, 40% of all 189 complaints for this model year.

Complaints
76
40% of all complaints
Crashes
0
Reported by owners
Fires
4
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the electrical system

Verbatim from NHTSA complaints, newest first
“TAKATA RECALL; FUEL PUMP WENT OUT WHILE DRIVING CAUSING CAR TO STOP AND ALMOST LEAD TO AN ACCIDENT. (CA ELECTRIC COMPONENTS DO NOT ALWAYS WORK, WINDOW IS A BIG ONE. WHEELS ALL HAD TO BE REPLACED WITHIN SIX MONTHS AND THE AXEL APPEARS TO CAUSE WHEEL DAMAGE. CONSTANT LEAKS SUCH AS COOLENT.”
Owner complaint to NHTSAFiled Apr 17, 2018Electrical system, Wheels, Fuel/propulsion systemODI 11088531
“ON DECEMBER 3RD, 2010, I WAS DRIVING SOUTH ON I-405S HEADING FROM LONG BEACH, CA TO SAN DIEGO, CA. I WAS DRIVING APPROXIMATELY 45 MPH WHEN MY CHECK ENGINE LIGHT CAME ON AND I LOST ALL ACCELERATION IN MY CAR. I STILL HAD ELECTRICAL POWER (IE, INDICATORS STILL WORKED, MY MANUAL TRANSMISSION WORKED AND INTERIOR DOME LIGHTS WORKED). I PULLED STRAIGHT OVER TO THE SIDE OF THE HIGHWAY AT WHICH POINT I NOTICED THAT THE HOOD OF MY CAR APPEARED TO BE MELTING AND THAT SMOKE WAS RISING OUT OF THE ENGINE. I JUMPED OUT OF THE CAR AND RAN TO THE SIDE OF THE ROAD TO CALL 911. TWO GRACIOUS STRANGERS ATTEMPTED WITH TWO SEPARATE FIRE EXTINGUISHERS TO PUT OUT THE FIRE BUT WERE UNABLE TO. THE ENTIRE ENGINE COMPARTMENT WAS ENTIRELY CONSUMED BY FLAMES WITHIN 2-3 MINUTES. BY THE TIME THE FIRE DEPARTMENT AND EMTS ARRIVED, THE ENTIRE CAR WAS AFLAME AND WAS NO LONGER SALVAGEABLE. IT ONLY TOOK ABOUT 5 MINUTES FOR THE ENTIRE CAR TO GO UP IN FLAMES. ALL THAT REMAINED ONCE THE FIRE WAS PUT OUT WAS THE REAR-HATCHBACK DOOR. EVERYTHING ELSE IN THE CAR WAS COMPLETELY AND TOTALLY MELTED AND BURNED. THE STATE TROOPER WHO WAS AT THE SCENE OF THE INCIDENT SAID THAT THE CAR WAS SO BADLY BURNT IT…”
Owner complaint to NHTSAFiled Jan 31, 2011Electrical systemFire reportedODI 10379680
“DRIVERS DOOR SPEAKERS WORKING RANDOMLY AND CUTTING OUT ALL TOGETHER AT TIMES, SOMETIMES WITH STATIC PRIOR TO CUTTING OUT. SO FAR THE SPEAKERS HAVE BEEN REPLACED ON OCT 2 2004,NOV 2 2004, NOV 15, 2004,DEC 7 2004. THE CAR STILL HAS THE SAME ISSUE AND THE DEALER DOES NOT SEEM TO BE ABLE TO FIND OR FIX THE PROBLEM. I HAVE LOOKED AT IT AND IN 2 SECONDS I FOUND THE ISSUE. IT IS A BROKEN WIRE IN THE DOOR PASS THROUGH. THE DEALER TELLS ME IT'S NOT A BROKEN WIRE BECAUSE THEY TESTED ALL THE WIRES AND THEY CHECKED OUT OK. IF THE SPEAKER IS NOT WORKING OR CUTTING OUT WITH THE DOOR OPEN AND YOU MOVED THE RUBBER PASS THROUGH, THE SPEAKER COMES BACK ON AND WORKS FOR A SHORT TIME AGAIN. DEALER HAS PERFORMED THE RECALL FOR THIS ON NOV 2 2004 BUT THERE IS STILL AN ISSUE. I STOPPED HAVING THEM TRY TO FIX THIS WHEN THE FACTORY WARRANTY RAN OUT BECAUSE OF THE COST INVOLVED. *TR”
Owner complaint to NHTSAFiled Jan 6, 2008Electrical systemODI 10213835
“2002 AUDI A4 1.8T WITH GAUGE CLUSTER PROBLEMS CUSTOMER STATES THAT THIS SAME PROBLEM HAS BEEN HAPPEN WITH OTHER AUDI CAR FOR THE LAST COUPLE OF YEARS**NAR**CC THE CONSUMER STATED SHE HAS NO WAY OF KNOWING HOW MUCH FUEL SHE HAS OR THE ENGINE TEMPERATURE. *JB”
Owner complaint to NHTSAFiled Jul 10, 2007Electrical systemODI 10196962
“FAILURE OF ENGINE IGNITION COILS ,CAUSING VEHICLE TO LOSE POWER, AND CREATES SURGING AND SHAKING OF VEHICLE, MAKING IT UNSAFE TO DRIVE. HAPPENED SUDDENLY WHILE DRIVING. DEALER DIAGNOSED AS FAILURE OF 2 OF 4 ENGINE COILS. THESE WERE PREVIOUSLY REPLACED UNDER RECALL. CONTACTED AUDI, BUT DID NOT RECEIVE SATISFACTORY ANSWER. THEY WILL NOT COVER REPAIR, AND THEY CLAIMED THAT IT WAS NOT A PART THAT REQUIRED REGULAR REPLACEMENT AND WILL NOT STATE WHAT THE LIFE OF THE COILS SHOULD BE. *AK”
Owner complaint to NHTSAFiled Mar 24, 2007Engine and engine cooling, Electrical systemODI 10186059
“TL*- THE CONTACT STATED THAT THERE WAS A BAD IGNITION COIL IN HIS 2002 AUDI A4 CAUSING THE VEHICLE TO VIBRATE VIOLENTLY RESULTING IN HIS NOT BEING ABLE TO GO OVER 20 MPH WITHOUT LOSING CONTROL OF THE VEHICLE. THE CONTACT HAS EXPERIENCED THIS PROBLEM 4 TIMES SINCE 2003 AND HAS EITHER TOWED THE VEHICLE INTO THE DEALER OR HAS DRIVEN IT TO THE DEALER NO FASTER THEN 20 MPH. AT THE DEALER THEY HAVE REPLACED THE IGNITION COILS ON THE VEHICLE. THE CONTACT CAN PROVIDE COPY OF INVOICE REPAIR IF NEEDED. THE FAILURE MILEAGE WAS 40000 AND THE CURRENT WAS 70000 MILES.”
Owner complaint to NHTSAFiled Feb 7, 2007Electrical systemODI 10181902

Showing 6 of 76 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page

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

Other 2002 A4 problem areas