Porsche Taycan and Audi E-Tron GT electrical automobiles are being recalled to deal with a battery-sealant situation.

The 2 EVs are based mostly on the identical J1 platform and share many main parts—together with battery sealant. Each Porsche and Audi switched to a Teroson sealant through the interval when the affected automobiles have been produced, and it might have been utilized in inadequate quantities across the battery pack, in response to paperwork filed to the Nationwide Freeway Visitors Security Administration (NHTSA). That “can enable liquid to build up within the battery.”

The recall covers 4,777 Taycans constructed between Sept. 23, 2022, and Aug. 3, 2023, and 1,899 E-Tron GT autos constructed between that begin date and Aug. 28, 2023. All autos constructed earlier than and after these dates are unaffected.

2023 Audi E-Tron GT

The NHTSA estimates that 3% of the affected autos have the battery-sealant defect. The recall inhabitants contains most Taycan variants, encompassing the sedan and Cross Turismo/Sport Turismo wagon physique types. Each the bottom E-Tron GT and the RS E-Tron GT efficiency mannequin are included within the recall as properly.

“Sellers will check the battery for leakage and exchange the battery as vital, freed from cost,” in response to the NHTSA. So it appears some house owners might find yourself with new battery packs. It is unclear of a selected provider is on the hook right here, but when giant numbers of battery packs must be changed, this might flip into a really costly mistake.

These fashions have been among the many first to have 800-volt charging, however the situation has nothing to do with that. They’re additionally not the primary EVs to be recalled for a battery-sealant situation.

2023 Porsche Taycan

The GMC Hummer EV was additionally recalled final 12 months for battery sealing issues, on this case as a result of surfaces to which the sealant was utilized weren’t correctly prepped, which means the sealant did not stick properly sufficient. And Audi’s E-Tron SUV was recalled in 2019 for what seems like an analogous situation. At the moment the automaker warned that the situation may trigger “a thermal occasion.”

It is fairly a distinct battery situation than the remembers of packs utilizing LG Power Answer cells in quite a lot of fashions, most of which look like associated to the cells themselves—and in some instances together with the Chevrolet Bolt EV involving manufacturing points. That led to a $1.9 billion cost to Basic Motors to assist cowl the recall prices—with many Bolt EV patrons getting new autos.