Porsche Cayenne 2003–2005 — technical service bulletin
Bulletin No. 16-05 · NHTSA communication 10177972 · issued Jul 29, 2020
Technical service bulletin
communication type
Electrical System
component
2003–2005
model years
9
vehicle entries
Official summary
Instructions for installing a modified antenna on the first generation Cayenne in the event that there is insufficient remote control range.
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.