2001 Audi A4 problems, complaints & recalls
Most-reported problem areas: Electrical System:ignition (12) · Engine And Engine Cooling:engine (11) · Service Brakes, Hydraulic (8)
🧭 Reliability snapshot
Compared against other Audi A4 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
86 NHTSA complaints that reported an odometer reading.
Safety recalls (2)
Air Bags:frontal:driver Side:inflator Module 2021-06-23 · campaign 21V470000 · 62,812 vehicles
Defect: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2000-2001 Audi TT Coupe, TT Roadster, 2000-2002 A4, and S4 vehicles equipped with Non-Azide Driver Air Bag Inflators (NADI) that do not contain phase stabilized ammonium nitrate (PSAN) propellant. Due to a manufacturing issue, the NADI inflators may absorb moisture, possibly causing the air bag to deploy improperly in the event of a crash.
Risk: In the event of a crash necessitating air bag deployment, the air bag may not properly protect the occupant, increasing the risk of serious injury or death.
Fix: Dealers will replace the driver frontal airbag inflator with an alternative inflator, free of charge. Owner notification letters were mailed November 2, 2021. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69CJ.
Engine And Engine Cooling:engine 2014-03-07 · campaign 14E007000 · 50 vehicles
Defect: The Gates Corporation (Gates) is recalling certain aftermarket Tru-Flow Water Pumps, part number TFW 41127, sold at certain NAPA Auto Parts and/or installed by automotive service technicians after November 1, 2013 (and manufactured August 2013 through October 2013) that have a black-colored pulley/sprocket or do not have 'US9377' stamped on the water pump housing. These service replacement parts were sold for use in model year 1999-2005 Audi A4, 2000-2006 Audi TT, 1998-2005 Volkswagen Beetle, 1
Risk: A failure of the timing belt may cause the engine to shut down, potentially increasing the risk of a vehicle crash.
Fix: Gates will notify owners, and dealers will replace the water pump, free of charge. The recall began during May 2014. Owners may contact The Gates Corporation at 1-303-744-1911.
Service bulletins (105)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Equipment:other:owners/Service/Other Manual 2023-10-04 · A0023742052680_4 · Service Bulletin/Repair Instructions
this bulletin provides information on the additional reporting requirements for safety related inquiries.
Structure 2021-06-25 · A0021482021205_6 · Service Bulletin/Repair Instructions
this informational bulletin explains how to order replacement vin plates, safety certification labels, etc.
Equipment:electrical 2020-04-16 · A0020362002047_1 · Service Bulletin/Repair Instructions
this information bulletin contains instructions for technicans on how to ensure their tac call goes smoothly.
Equipment:other:labels 2019-08-28 · AWC 19-05 · Service Bulletin/Repair Instructions
this communication is issued to inform dealers of updated shipping regulations related to lithium ion batteries.
Equipment 2019-07-22 · AWC 19-04 · Service Bulletin/Repair Instructions
this communication is issued to remind dealers of the repair validation process for repair group 19. 2005-2019 a3, 1996-2019 a4, 2008-2019 a5, 1992-2019 a6, 2012-2019 a7, 1997-2019 a8, 2019 e-tron, 2015-2019 q3, 2010-2019 q5, 2007-2019 q7, 2019 q8, 2000-2019 tt, 2008-2018 r8
Seat Belts 2019-06-07 · A0019212052680_1 · Service Bulletin/Repair Instructions
this bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage). 2008-2021a3, 2015-2021a3 cabrio, 2005-2016 a3 sportback, 1999-2021 a4, 2010-2021 a4 allroad, 1999-2012 a4 avant, 2003-2009 a4 cabrio, 2010-
Showing the 6 most recent of 105 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.