Porsche Cayenne 2018–2019 — technical service bulletin
Bulletin No. 70-21-2 · NHTSA communication 10217212 · issued Jul 14, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2019
model years
2
vehicle entries
Official summary
Information on workshop campaign WLN3 - replacing starter
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.