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July 8, 2025 Service campaign

Technical information for WSH4

Porsche technical service bulletin WSH4 for 2020-2024 Porsche Taycan, 2020-2024 Porsche Taycan 4s and 2020-2024 Porsche Taycan Turbo S and others.

Bulletin number
WSH4 (WSH4)
Component
Electrical system
Summary
Technical information for WSH4 - Re-Programming High-Voltage Battery Control Unit

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

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