Also recalled in Canada2017–2018 AUDI A3 CABRIOLETNHTSA Campaign #17V508000
The official notice
Defect
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.
Safety Risk
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.
8,383 vehicles affectedMfr ref: 24DFUpdated June 10, 2026