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Vehicle recall 17V508000 · August 16, 2017

2017-2018 Audi A3 Cabriolet

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…

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
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.
Consequence
An engine stall can increase the risk of a crash.
Remedy
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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Recall details

NHTSA campaign
17V508000
Reported to NHTSA
August 16, 2017
Filed by
Volkswagen Group of America, Inc.
Manufacturer campaign
24DF
Owner notification
September 19, 2017
Vehicles potentially affected
8,383
Initiated by
the manufacturer
Components
Engine and engine cooling › Engine
Recall 17V508000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Audi been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Audi dealer can also check your VIN. Recall repairs are free.