Volkswagen Group of America, Inc., particularly its Audi division, is facing a significant challenge with its 220V/240V charging cables. Owners of certain 2019-2024 Audi models are being notified due to a defect that could lead to the overheating and potential fire hazard of the outlet or charging cable. This alarming issue affects a range of models, including:
- 2021-2022 Audi A7
- 2020-2021 Audi A8
- 2019-2024 Audi E-Tron
- 2022-2024 Audi E-Tron GT
- 2022-2024 Audi Q4 E-Tron
- 2020-2024 Audi Q5
- 2022-2024 Audi RS E-Tron GT
The problem first came to light in September 2020 when cases of melting and overheating at the industrial socket (NEMA 14-50) were reported during the use of the industrial 220V/240V plug with 40 amperes. Audi’s thorough investigation, which involved requesting parts from the field and analyzing customer charging behavior, revealed that the vehicles and the provided charging equipment were not at fault. Instead, the cause was often linked to household power outlets and wiring, or circuit breakers not capable of handling the required electrical current.
Understanding that household power outlets and wiring might not be equipped to handle the necessary current, Audi initiated a service campaign that instructed customers to bring their charging equipment to an Audi dealer to modify the charging system control unit to a 50% power level for the industrial plug. Additionally, a warning label was attached to the control unit of the Audi compact charging system, advising on safe usage.
Despite these measures, and the ability to charge at 100% current upon confirmation of adequate home power supply, further incidents of overheating and melting sockets were reported. As a result, in January 2022, Audi launched a safety recall, superseding the service campaign, to replace the affected charging cables with new ones equipped with temperature sensors. For unsold vehicles, the industrial charging cable will be replaced before delivery. As of the latest reports, Audi has identified 615 claims related to this issue from 08/05/2020 to 12/05/2023. Fortunately, there have been no reports of fires, crashes, or injuries connected to this problem.
Audi advises owners of the affected models not to use the 220V/240V compact/portable charging cable. Instead, they should use the 110V home charging cable or public charging stations until the issue is resolved. Owners can expect to receive interim notification letters by February 9, 2024, explaining the safety risks. A second notice will follow, detailing the availability of remedy parts, expected around mid-2024. Audi’s recall numbers are 93U6 and 93U8, with the NHTSA campaign number being 23V-842.
This recall underscores the importance of not only the quality of automotive products but also the compatibility and capacity of home electrical systems. Owners of the affected models are urged to heed the recall notices and take the necessary steps to ensure their safety.
