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Thursday, April 16, 2026

Porsche Could Have A Serious Taycan Problem On Its Hands - CarBuzz

A concerning rumor about the Porsche Taycan surfaced last week, and if proven true, has the potential to kill the car off completely.

According to Teslarati, who has a source within Porsche's headquarters in Zuffenhousen in Germany, six out of ten Taycans delivered have a battery management problem. The whistleblower also says that it damages the battery cells to the extent that it causes fires. The only unexplained Taycan fire we've reported on so far happened in February 2020, but battery electric vehicles don't have the best reputation in this department.

It goes even further than that. The source also says that Porsche is deliberately covering up the problem, replacing the batteries on cars without informing customers.

According to the whistleblower, the reason for this is the Taycan's 800-volt onboard charger. It allegedly does not control the charging process well enough, leading to the overcharging of some cells. An overheated cell is hazardous, but the Porsche will detect it and automatically shut it down. This reduces performance and range, however.

The whistleblower decided to speak up when Porsche decided to continue shipping the Taycan with the faulty charging system. The unknown source cites Porsche's own internal statistics that keep track of problems for safety reasons. According to these internal figures, around 1% of the 60% of vehicles with this problem had a preventable vehicle, cable, or smoldering fire that is directly related to the problem.

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