The problem
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2017-2018 Audi A3 Cabriolet and A3 Sedan vehicles. The Engine Control Unit (ECU) software may misinterpret the flywheel rotation on engine start-up as a "knocking" condition, and the adjusted air/fuel mixture may result in an engine stall.
The risk
An engine stall can increase the risk of a crash.
The fix
Audi will notify owners, and dealers will reprogram the ECU software, free of charge. The recall began September 19, 2017. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 24DF.
Recall details
| NHTSA campaign | 17V-508 (17V508000) |
|---|---|
| Manufacturer number | 24DF |
| Manufacturer | Volkswagen Group of America, Inc. |
| Component | Engine and engine cooling › Engine |
| Report date | August 16, 2017 |
| Owners notified | September 19, 2017 |
| Vehicles affected | 8,383 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the engine & cooling
Frequently asked questions
Is the recall 17V-508 repair free?
Yes. Audi dealers will fix the problem at no cost: Audi will notify owners, and dealers will reprogram the ECU software, free of charge. The recall began September 19, 2017. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 24DF.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 8,383 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.