Engine and engine cooling: engine: engine control module (ecu/ecm); engine (Audi)
Vehicle recall 21V-111. NHTSA received Volkswagen Group of America, Inc.’s report on Feb 24, 2021.
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The short answer
NHTSA received Volkswagen Group of America, Inc.’s report on Feb 24, 2021. Copied from NHTSA on Oct 28, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
An engine control module malfunction may cause the engine to stall, increasing the risk of a crash.
Volkswagen Group of America, Inc.
(Audi) is recalling certain 2019-2021 Audi A8 and 2020-2021 Audi S8 vehicles.
A missing sealing pin may allow moisture to enter the engine control module connector, possibly causing a control module malfunction.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
- NHTSA’s part: Engine and engine cooling: engine: engine control module (ecu/ecm).
- NHTSA’s part: Engine.
What should you do?
Audi will notify owners, and dealers will inspect the engine control module connector for a missing sealing pin, and install it, if necessary. The connector will also be inspected for corrosion, and replaced as necessary. Repairs will be performed free of charge. The recall began March 12, 20121. Owners may contact Audi customer service at 1-800-253-2834. Audi’s number for this recall is 97EV.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
- How to reach the firm: 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.
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 238 vehicles potentially involved, across everything this recall names.
Each model year opens its own page: every recall naming it, its owner complaints and its crash ratings.
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
Who is recalling it?
- Made by Volkswagen Group of America, Inc..
NHTSA, Recalls flat file. Released Oct 28, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt. Owners’ complaints are counted on each vehicle’s page.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file (FLAT_RCL_POST_2010).
Released Oct 28, 2026 and checked Oct 28, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 28, 2026.