“Six out of ten Porsche Taycan” ever delivered have a problem with battery management that affects and damages battery cells, requires replacement of cells and batteries, and is causing vehicle fires, according to a source working at Porsche’s headquarters in Zuffenhausen, Germany. Porsche is reportedly hiding the problem from customers and authorities and quietly replacing damaged battery cell modules without informing customers to cover up the problem. Tesla offered to help Porsche with battery management through Audi contacts years ago, but Porsche management at the time rejected any external help, saying it could handle everything internally, the source noted.
“The problem affects six of ten delivered vehicles,” the source, who could be described as a whistleblower, said.
The Porsche whistleblower explained that the Taycan’s 800V high-voltage onboard charger used today does not control the charging process well enough and can overcharge some battery cells, causing them to overheat. For safety reasons, overheated battery cells are disabled and isolated from the battery pack, reducing battery capacity and thus the vehicle’s range. The problem occurs when the batteries are charged at a low AC speed of up to 7.5 KW, a common use case for all charging, such as at home or on low-speed chargers, the source said.
The 800V architecture of the Taycan, a vehicle the German automaker is proud of, has many advantages, but the strong current requires a very...
President Donald Trump spoke about his feud with Pope Leo XIV, claiming Pope Leo apparently said Iran “can have a nuclear weapon.” CNN reporter Kaitlan Collins asked Trump why he is fighting again...