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September 3, 2025 Service bulletin

On certain Model S and Model X vehicles, the HV battery umbrella valves, over time, may become damaged due...

Tesla technical service bulletin SB-25-16-004 for 2021-2022 Tesla Model S and 2021-2022 Tesla Model X.

Bulletin number
SB-25-16-004 (SB-25-16-004)
Component
Electrical system
Summary
On certain Model S and Model X vehicles, the HV battery umbrella valves, over time, may become damaged due to road debris. Replace all 5 umbrella valves with updated parts. This new revision, R1, updates the affected Countries/Regions.

Owners of these vehicles have filed 65 complaints in the electrical category.

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