B1148 on the 2020 Porsche Cayenne
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| No. 37-25 | 2025-07-09. Service bulletin. 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 |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.