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May 29, 2025 Service bulletin

Instructions on advanced technical information for 9YA, 9YB, YAA PHEV- HV Battery Control Unit (BMC)...

Porsche technical service bulletin No. 2508.1 for 2024-2025 Porsche Cayenne, 2026 Porsche Panamera and 2024 Porsche Cayenne S and others.

Bulletin number
No. 2508.1
Component
Electrical system
Summary
Instructions on advanced technical information for 9YA, 9YB, YAA PHEV- HV Battery Control Unit (BMC) Software Updates

Owners of these vehicles have filed 2 complaints in the electrical category.

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