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May 24, 2024 Service bulletin

Technical information for diagnosis and handling of the 12 volt lithium-ion battery

Porsche technical service bulletin No. 31-20 for 2018-2024 Porsche Cayenne, 2020-2025 Porsche Taycan and 2018-2024 Porsche 911 and others.

Bulletin number
No. 31-20
Component
Electrical system
Summary
Technical information for diagnosis and handling of the 12 volt lithium-ion battery

Owners of these vehicles have filed 184 complaints in the electrical category.

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