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May 16, 2026 Service bulletin

Technical information for Need to Replace Components of the High-Voltage Battery

Porsche technical service bulletin No. 103-25-1 for 2017-2023 Porsche Panamera 4 E-Hybrid.

Bulletin number
No. 103-25-1
Component
Electrical system
Summary
Technical information for Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell Module; No Mixed Installation Permitted: Observe Specified Approach

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