Porsche Cayenne 2015–2019 — technical service bulletin
Bulletin 122-U5W7U-01 · NHTSA communication 10153568 · issued Dec 13, 2018
Technical service bulletin
communication type
Exterior Lighting
component
2015–2019
model years
5
vehicle entries
Official summary
Tail Light Defective Warning in the Instrument Cluster
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.