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April 2, 2026 Service campaign

Porsche intranet posting with information on workshop campaign WTB9

Porsche technical service bulletin WTB9 for 2024-2026 Porsche Cayenne, 2024-2026 Porsche 911 and 2024-2026 Porsche Cayenne Coupe.

Bulletin number
WTB9 (WTB9)
Component
Electrical system
Summary
Porsche intranet posting with information on workshop campaign WTB9 - reprogramming external communication control unit

Owners of these vehicles have filed 6 complaints in the electrical category.

Vehicles covered

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