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January 12, 2026 Service bulletin

Technical information for Active Malfunction Indicator Light in Conjunction with Fault Memory Entries...

Porsche technical service bulletin No. 105-25-1 for 2020-2026 Porsche Taycan, 2020-2026 Porsche Taycan 4s and 2020-2026 Porsche Taycan Turbo S and others.

Bulletin number
No. 105-25-1
Component
Service brakes
Summary
Technical information for Active Malfunction Indicator Light in Conjunction with Fault Memory Entries Regarding Brake Booster "U01B400" and "C114113"

Owners of these vehicles have filed 30 complaints in the brakes category.

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