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September 13, 2025 Service bulletin

Instructions on advanced technical information for the high-voltage battery B1D9

Porsche technical service bulletin No. 2523 for 2020-2024 Porsche Taycan, 2020-2024 Porsche Taycan 4s and 2020-2024 Porsche Taycan Turbo S and others.

Bulletin number
No. 2523
Component
Electrical system
Summary
Instructions on advanced technical information for the high-voltage battery B1D9 - cell module x, aging detected

Owners of these vehicles have filed 146 complaints in the electrical category.

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