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February 26, 2026 Service campaign

Technical information for WPD8 Workshop Campaign – Re-Programming High-Voltage Battery Control Unit

Porsche technical service bulletin No. 173-23 for 2017-2026 Porsche Cayenne and 2017-2024 Porsche Panamera 4.

Bulletin number
No. 173-23 (WPD8)
Component
Electrical system
Summary
Technical information for WPD8 Workshop Campaign – Re-Programming High-Voltage Battery Control Unit

Owners of these vehicles have filed 39 complaints in the electrical category.

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