Check a VIN

November 5, 2025 Service campaign

Technical information for WSR1 – Replacing High-voltage Charger (OBC)

Porsche technical service bulletin No. WSR1 for 2017-2020 Porsche Panamera 4 E-Hybrid.

Bulletin number
No. WSR1 (WSR1)
Component
Electrical system
Summary
Technical information for WSR1 – Replacing High-voltage Charger (OBC)

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Porsche Panamera 4 E-Hybrid?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history