Porsche Cayenne 2003–2010 — technical service bulletin
Bulletin No. 43-21 · NHTSA communication 10198967 · issued Jun 21, 2021
Technical service bulletin
communication type
Wheels
component
2003–2010
model years
8
vehicle entries
Official summary
List of approved wheels and tires for the E1 Cayenne.
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.