The 1991 Audi 90 has 2 NHTSA recall campaigns affecting an estimated 206,800 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.
IN THE EVENT THE SENSOR SHOULD MALFUNCTION, THE AIR BAG RESTRAINT SYSTEM CAN INADVERTENTLY DEPLOY. DEPLOYMENT OF THE AIR BAG RESTRAINT SYSTEM WITHOUT WARNING COULD CAUSE A DRIVER TO LOSE VEHICLE CONTROL.
DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.
THE DIFFERENTIAL OIL OF THE TRANSAXLE IS LOST OVER TIME DUE TO EVAPORATION. LOW OIL LEVELS CAUSE PREMATURE BEARING AND GEAR WEAR AND EVENTUAL FAILURE OF THE DIFFERENTIAL.
IN THE EVENT OF FAILURE, THE VEHICLE'S DRIVE WHEELS COULDLOSE POWER. IN EXTREME CIRCUMSTANCES, THE FRONT WHEELS LOCK, CAUSING RAPIDDECELERATION RESULTING IN POSSIBLE LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
DRAIN AND REPLACE THE DIFFERENTIAL GEAR OIL WITH OIL HAVING HIGHER PERFORMANCE CHARACTERISTICS.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“This fuel line leak was discovered by my mechanic during an inspection of the exhaust. The line is located between a heat shield and the body of the car. Mechanic mentioned that there is the possibility of future leaks in the same area. I paid $100 for a repair of the line. There is an audi 20v…”
“Driver's side restraint locked, not extracting or extending. Dealer has replaced the restraints. *ak”
“While driving, electrical sys. Wire harness front shorted, caused fan to burn out, vehicle overheated and caught fire. Tt”
There is no summary currently available
There is no summary currently available
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1991 Audi 90 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.