Porsche Cayenne 2021–2022 — technical service bulletin
Bulletin No. 166-22-1 · NHTSA communication 10232407 · issued Feb 14, 2023
Technical service bulletin
communication type
Parking Brake
component
2021–2022
model years
4
vehicle entries
Official summary
Technical information on WNK6 - replacing spreader device
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.