Check a VIN

August 30, 2025 Service campaign

Technical information for WMH0

Porsche technical service bulletin No. 120-21 for 2020-2021 Porsche Taycan and 2020-2021 Porsche Taycan Cross Turismo.

Bulletin number
No. 120-21 (WMH0)
Component
Electrical system
Summary
Technical information for WMH0 - Re-Programming Various Control Units (Workshop Campaign)

Owners of these vehicles have filed 91 complaints in the electrical category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Porsche Taycan?

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

Check its history