Porsche Cayenne 2019–2020 — technical service bulletin
Bulletin No. 180-18-2 · NHTSA communication 10232434 · issued Feb 21, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
6
vehicle entries
Official summary
Technical information for the cylinder head cover near the injector holes leaking - subsequent work on cylinder head.
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.