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May 13, 2026 Service campaign

Porsche intranet posting with information on WSS4 Over-the-Air (OTA) Update – Reprogramming 11 kW (OBC)...

Porsche technical service bulletin WSS4 for 2020-2024 Porsche Taycan, 2020-2024 Porsche Taycan 4s and 2020-2024 Porsche Taycan Turbo S and others.

Bulletin number
WSS4 (WSS4)
Component
Electrical system
Summary
Porsche intranet posting with information on WSS4 Over-the-Air (OTA) Update – Reprogramming 11 kW (OBC) high-voltage charger

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

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