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The first indication of a potential problem came in 2021, when Porsche received a report of a battery fire involving a Taycan. Following this incident, the automaker conducted an investigation and analyzed similar, undamaged battery packs for further study.
In 2023, the automaker became aware of two additional battery fires, each of which occurred shortly after the vehicle had completed charging. Although Porsche has not yet determined the exact cause, it suspects that repeated overcharging may, in some cases, damage battery cells, ultimately leading to a short circuit within the battery modules.
The list of affected vehicles begins with the rear-drive Taycan, followed by the twin-engine Taycan 4S, Taycan GTS, Taycan Turbo, Taycan Turbo S, Taycan GTS Sport Turismo, Taycan 4 Cross Turismo, Taycan 4S Cross Turismo, and Taycan Turbo Cross Turismo. According to documents filed by the automaker with the NHTSA, production dates range from November 2020 to June 2023.
Interestingly, while the company hasn't yet identified a root cause for this issue, it reports that it has used machine learning to find production clusters that may be affected by this issue. It also looked at real-time battery performance anomalies from vehicles in the field, and determined that a total of 205 American Taycans from the 2021-2023 model years need to be recalled.
Unfortunately, there are no warning signs for drivers to detect this defect. Those who want to see if their Taycan may be included in this recall can check using the National Highway Traffic Safety Administration's VIN look-up tool.
Starting on February 9, Porsche will contact Taycan owners by mail. Their batteries will be checked and any modules that may be hazardous will be removed and replaced free of charge. Owners who have already paid to replace their own modules may be eligible for a reimbursement.
Source: Carscoops
