Porsche Cayenne 2017–2019 — technical service bulletin
Bulletin WLD5 · NHTSA communication 10226104 · issued Oct 7, 2022
Technical service bulletin
communication type
Equipment
component
2017–2019
model years
6
vehicle entries
Official summary
Porsche intranet posting with information for workshop campaign WLD5 - replacing hose for positive crankcase ventilation
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.