Porsche 718 Boxster 2017–2018 — technical service bulletin
Bulletin WMD1 · NHTSA communication 10194854 · issued May 1, 2021
Technical service bulletin
communication type
Power Train
component
2017–2018
model years
12
vehicle entries
Official summary
Porsche intranet posting with preliminary information for Porsche workshop campaign WMD1 Workshop Campaign -PCM Software Update.
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.