There are 3 owner-reported lighting complaints for the 2001 Audi A4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
WE HAVE EXPERIENCED AN INTERMITTENT PROBLEM WITH THE HID HEAD LIGHTS FLICKERING AND SHUTTING OFF DURING OPERATION AT NIGHT. THE LEFT LOW BEAM BEGAN TO FLICKER AND THEN SHUT OFF. THE HEAD LIGHT WARNING INDICATOR LIGHT COMES ON. AFTER INSPECTION THE NEXT DAY, LIGHTS CAME BACK ON AND WERE WORKING NORMALLY NO WARNING LIGHTS WERE ON. THIS APPEARS TO BE A COMMON PROBLEM WITH THIS TYPE OF CAR AND IN MY OPINION A VERY DANGEROUS ONE THAT NEEDS TO BE ADDRESSED BY AUDI IN A RECALL FOR THE OBVIOUS BALLAST, BULB, WIRING, PROBLEM THAT EXISTS ON THIS CAR. *TR
IN 2007 XENON HEADLIGHTS DROPPED/DIPPED HEADLIGHT LEVEL SENSOR REPLACED AND LIGHTS APPEARED TO WORK CORRECTLY. IN 2011 THE SAME PROBLEM OCCURRED AGAIN. HEADLIGHT LEVELING SENSOR AND WIRING HARNESS REPLACED. APPEARS TO BE WORKING OK. DRIVING WITH THE HEADLIGHTS AIMED INCORRECTLY IS A DANGEROUS DRIVING CONDITION. IT APPEARS THAT THERE IS A COMMON DESIGN FLAW WITH THE XENON HEADLIGHTS. *TR
THE NEW BLUE-WHITE LIGHT HEADLIGHTS ON THE AUDI AND OTHER LUXURY AND IMPORTED CARS IS BLINDING WHEN APPROACHING FROM THE OTHER DIRECTION, SIGNIFICANTLY REDUCING THE ABILITY TO SEE AND POSING A SAFETY HAZARD. THE EFFECT SEEMS EVEN WORSE THAN A CAR APPROACHING WITH ITS HIGH BEAMS ON. THE EFFECT IS SO BAD THAT IT PREVENTS YOU FROM SEEING THE ROAD AND OTHER THINGS AROUND. THEY SHOULD BE BANNED.
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.
Data synced from NHTSA on Apr 26, 2026