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September 23, 2026 Service bulletin

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

Porsche technical service bulletin No. 103-25-2 for 2017-2023 Porsche Panamera 4 E-Hybrid, 2017-2023 Porsche Panamera Turbo S E-Hybrid and 2019-2023 Porsche Panamera 4s E-Hybrid.

Bulletin number
No. 103-25-2
Component
Fuel/propulsion 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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