Every 2018 Audi A4 recall
Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.
Seats · NHTSA 21V874000
Oct 11, 2021Seats
- Problem
- Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
- Risk
- A disabled passenger air bag increases the risk of injury in the event of a crash.
- Fix
- Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.
Full recall details for 21V874000 →Air Bags · NHTSA 19V547000
Jul 24, 2019Air Bags:Frontal:Passenger Side:Inflator Module
- Problem
- Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2019 Audi RS5 Sportback, 2018 S5 Cabriolet, S5 Sportback, S5 Coupe, S4 Sedan, A5 Cabriolet, A5 Sportback, A5 Coupe, and 2017-2018 A4 Sedan and A4 Allroad vehicles. Oxidation on the Passenger Occupant Detection System (PODS) connecting cable may cause the software to misdiagnose a malfunction and disable the passenger air bag.
- Risk
- A disabled passenger air bag increases the risk of injury in the event of a crash.
- Fix
- Audi will notify owners, and dealers will install cable ties to the harness, free of charge. The recall began September 9, 2019. Owners may contact Volkswagen customer service at 1-800-893-5298. Audi's number for this recall is 74D9.
Full recall details for 19V547000 →Air Bags · NHTSA 18V836000
Nov 27, 2018Air Bags:Frontal:Passenger Side:Inflator Module
- Problem
- Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2018 Audi A5 Sportback and 2017-2018 Audi A4 Allroad vehicles. A passenger air bag module mounting screw may not have been sufficiently tightened, possibly affecting the deployment of the air bag in the event of a crash.
- Risk
- If the air bag does not deploy correctly in the event of a crash, it can increase the risk of an injury.
- Fix
- Volkswagen will notify owners, and dealers will inspect the air bag mounting screw, tightening or replacing it as necessary, free of charge. The recall began December 19, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69Y4.
Full recall details for 18V836000 →Structure · NHTSA 17V675000
Oct 25, 2017Structure:Body:Door:Hinge and Attachments
- Problem
- Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2017-2018 Audi A4 Sedan and A4 allroad, and 2018 A5 Sportback vehicles. The aluminum trim on the front and rear doors can come loose from around the door speakers, leaving sharp edges exposed.
- Risk
- The sharp edges of the speaker trim increase the risk of injury to vehicle occupants.
- Fix
- Audi will notify owners, and dealers will replace the speaker cover aluminum trim, free of charge. The recall began March 13, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 70G6.
Full recall details for 17V675000 →
2018 Audi A4 complaints and service bulletins
Owners filed 53 complaints with NHTSA about the 2018 Audi A4, reporting 4 crashes, 1 injuries. Audi has issued at least 772 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.
Most-reported components
- Electrical System20
- Unknown Or Other20
- Air Bags7
- Structure7
- Engine6
- Fuel/Propulsion System6
Service bulletins by component
- Electrical System (367)
- Equipment (338)
- Unknown Or Other (136)
- Structure (127)
- Power Train (92)
- Suspension (68)
Read Audi A4 owner complaints and bulletins, every year
What people reported
Owners have filed 53 complaints with NHTSA about the 2018 Audi A4. A few in their own words, shortened. Complaints are unverified and are not proof of a defect or of any recall.
Crash
“I was rear-ended at a slow speed. I was stopped at the time. The driver who hit me was decelerating hard. Damaged to rear bumper. When I got back in the car, I realized that telescoping steering column had been pulled toward me.”
2018 AUDI A4Jan 25, 2024
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11567780
Injury reportedCrash
“The contact owned a 2018 Audi A4. The contact stated that while driving approximately 25 MPH a second vehicle crashed into the passenger side front end of the vehicle. During the crash, the front end of the vehicle was severely damaged but no air bags were deployed.”
2018 AUDI A4 ALLROADMay 31, 2022
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11466707
“A vehicle diagnostic scan dated 04/15/2026 showed electrical communication faults involving vehicle control modules. The scan showed U014100, described as "Lost Communication With Body Control Module 'A'," with status listed as passive/sporadic.”
2018 AUDI A4Jul 2, 2026 · CA
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11747863
Crash
“MY SON JUST CRASHED MY 2018 AUDI A4 WITH PRE SENSE BASIC AND CITY. $20K DAMAGE IN THE FRONT! NO AIR BAG DEPLOYED. IT HAPPENED ON A HIGHWAY DURING MORNING RUSH HOUR IN HEAVY TRAFFIC. HE WAS DRIVING AROUND 40MPH, TRAFFIC SLOW DOWN AND HE DID NOT REALIZE UNTIL IT WAS TOO LATE.”
2018 AUDI A4 ALLROADJul 20, 2019
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11233605
“A vehicle diagnostic scan dated 04/15/2026 at approximately 88,502 miles showed a stored transmission electronics fault: P084100, described as "Transmission fluid pressure sensor/switch A range/performance," with status listed as passive/sporadic.”
2018 AUDI A4Jul 2, 2026 · CA
Complaint filed with NHTSA, not verified by the agency · NHTSA complaint 11747862
Check your A4 by VIN
Not every 2018 Audi A4 is in every recall. Enter your 17-character VIN to see the recalls on record for your exact vehicle, then confirm which are still open at NHTSA.gov or with any Audi dealer.
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