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August 24, 2026 Over-the-air update

Porsche intranet posting for Campaign WTL5 Over-the-Air (OTA) Update– Reprogramming the high-voltage...

Porsche technical service bulletin WTL5 for 2020-2023 Porsche Taycan, 2020-2023 Porsche Taycan 4s and 2020-2023 Porsche Taycan Turbo S and others.

Bulletin number
WTL5 (WTL5)
Component
Fuel/propulsion system
Summary
Porsche intranet posting for Campaign WTL5 Over-the-Air (OTA) Update– Reprogramming the high-voltage battery control unit (BMCe)

Owners of these vehicles have filed 23 complaints in the fuel system category.

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