NHTSA recall 21V111000
A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.
| Published by | NHTSA (United States) |
|---|---|
| Campaign number | 21V111000 |
| Manufacturer's number | 97EV |
| Manufacturer | Volkswagen Group of America, Inc. |
| Reported | 2021-02-24 |
| Owners notified | 2021-03-12 |
| Component | ENGINE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM) |
| Units potentially affected | 238 |
| Part numbers | 4M0 971 904 |
| Report | Annual report 3, for 2025 quarter 1 to 2025 quarter 4 |
|---|---|
| Filed with NHTSA | 2026-01-23 |
| Vehicles in the campaign | 238 |
| Reported remedied | 236 (99%) |
| Reported unreachable | 0 |
| Reported removed | 0 |
These are the manufacturer's totals for the whole campaign at the end of 2025 quarter 4, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.
What is wrong
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.
What can happen
An engine control module malfunction may cause the engine to stall, increasing the risk of a crash.
The remedy
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.
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.
| 2019 AUDI A8 | |
|---|---|
| 2020 AUDI A8 | |
| 2021 AUDI A8 | |
| 2020 AUDI S8 | |
| 2021 AUDI S8 |
A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.
Bulletins for the same vehicles and component
| A1324232060876_2 | 2024-03-06. Service bulletin. This bulletin provides information for when the MIL is illuminated; DTC P030000 is stored in the ECM, and corrosion marks are on the cylinder walls. |
|---|---|
| A2723602067906_3 | 2023-10-05. Service bulletin. This bulletin provides information for when DTC P0A7D00 is stored. |
| A1923412062951_3 | 2023-10-05. Service bulletin. This bulletin provides information for when the red coolant warning lamp is on and the DTCs P218100, P017B00, P017C00, and/or P017E00 are stored in the ECM. |
| A2723572058831_9 | 2023-07-10. Service bulletin. This bulletin provides information for when there is a 48V electrical system warning; DTC P0CA700, U046900 is stored in the starter/generator control module/ECM. |
| A2023522065287_6 | 2023-02-07. Service bulletin. This bulletin provides instructions for when the MIL is on and DTC P044200 and/or P045600 is stored in the ECM. |
| A2722412058831_4 | 2022-04-05. Service bulletin. This bulletin contains a software update for DTC P0CA700 or U046900. |
| A1922292058767_8 | 2022-04-05. Service bulletin. This bulletin contains instructions for DTCs P218100, P017B00, P308100, and P01E400. |
| A2022402065287_2 | 2022-02-04. Service bulletin. This bulletin describes the repair procedure to address an internal defect in the EVAP leak detection pump causing false leak detection. |
| A2021392065287_1 | 2022-01-05. Service bulletin. There is an internal defect in the EVAP leak detection pump causing false leak detection. |
| Dealer 24HR | 2021-12-07. Service bulletin. Update engine control module software |
A bulletin is the manufacturer's note to its dealers. It is not part of this recall.