Porsche Cayenne 2018–2026 — technical service bulletin
Bulletin No. 22-26-1 · NHTSA communication 11033359 · issued May 1, 2026
Technical service bulletin
communication type
Electrical System
component
2018–2026
model years
9
vehicle entries
Official summary
Technical information for a Replacement Requirement for Wire Harness for Rear-View Mirror/Front Door or Front Main Wire Harness: Rework Signal Line for Mirror Camera
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.