Porsche Cayenne 2019–2022 — technical service bulletin
Bulletin No. 127-19 · NHTSA communication 10209870 · issued Mar 24, 2022
Technical service bulletin
communication type
Electrical System
component
2019–2022
model years
4
vehicle entries
Official summary
Symptom based workshop manual for a white message in the instrument cluster "emergency call function fault - service necessary"
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.