Porsche Cayenne 2017–2018 — technical service bulletin
Bulletin No. 04-21-1 · NHTSA communication 10194748 · issued May 4, 2021
Technical service bulletin
communication type
Equipment
component
2017–2018
model years
4
vehicle entries
Official summary
Instructions on how to fix an error in the PCM showing that Satellite and Google Earth Map are no longer available.
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.