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November 6, 2025 Service bulletin

Parts information for parts withdrawal involving the high voltage battery

Porsche technical service bulletin No. D738.1 for 2003-2026 Porsche Cayenne, 2020-2026 Porsche Taycan and 2014-2026 Porsche Macan and others.

Bulletin number
No. D738.1
Component
Electrical system
Summary
Parts information for parts withdrawal involving the high voltage battery. The affected vehicles are ones that use part number 0Z3915913BN (High-voltage Battery)

Owners of these vehicles have filed 350 complaints in the electrical category.

Vehicles covered

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