Porsche Taycan 2020–2022 — technical service bulletin
Bulletin No. 74-21 · NHTSA communication 10219386 · issued Aug 19, 2022
Technical service bulletin
communication type
Electrical System
component
2020–2022
model years
9
vehicle entries
Official summary
Technical information for spare parts requirement for high voltage components - additional insulation measurement before starting vehicle
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.