Porsche 911 2019–2024 — service campaign
Bulletin WSB4 · NHTSA communication 11016764 · issued Mar 17, 2025
Service campaign
communication type
Electrical System
component
2019–2024
model years
11
vehicle entries
Official summary
Technical Information - WSB4-Re-Programming External Communication Control Unit (Workshop Campaign)
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.