Porsche 911 2020 — technical service bulletin
Bulletin WMD2 · NHTSA communication 10194856 · issued May 1, 2021
Technical service bulletin
communication type
Tires
component
2020
model years
7
vehicle entries
Official summary
Porsche intranet posting with preliminary information for Porsche workshop campaign WMD2 Workshop Campaign - Teach Tire Pressure Monitoring (TPM) system using the PIWIS Tester.
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.