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September 23, 2025 Service bulletin

Technical information on ARB5

Porsche technical service bulletin No. 174-24 for 2020-2024 Porsche Taycan, 2020-2024 Porsche Taycan 4s and 2020-2024 Porsche Taycan Turbo S and others.

Bulletin number
No. 174-24
Component
Electrical system
Summary
Technical information on ARB5 - Replace the Cell Block Module on High-Voltage Battery

Owners of these vehicles have filed 146 complaints in the electrical category.

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