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April 2, 2026 Service campaign

Technical information for WTB9

Porsche technical service bulletin No. WTB9 for 2026 Porsche Cayenne, 2026 Porsche 911 and 2026 Porsche Cayenne Coupe.

Bulletin number
No. WTB9 (WTB9)
Component
Electrical system
Summary
Technical information for WTB9 - Re-Programming External Communication Control Unit (Connect) (Workshop Campaign)

Owners of these vehicles have filed 2 complaints in the electrical category.

Vehicles covered

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