Service bulletins for the 2018 Porsche Cayenne
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
718 on file from NHTSA, as of 2026-10-19.
About B1148 on the 2018 Porsche Cayenne: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B1148 are shown. Show all
| No. 37-25 | 2025-07-09. Service bulletin. ELECTRICAL SYSTEM. Symptom based workshop manual for a red warning message "Vehicle Electrical System Malfunctioning" in the Instrument Cluster in Conjunction with the Fault Memory Entry "B114811" in the Rear-End Electronics Control Unit |
|---|
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.