Service bulletins for the 2025 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.
329 on file from NHTSA, as of 2026-10-19.
About U1405 on the 2025 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: U1405 are shown. Show all
| No. 35-26 | 2026-05-07. Service bulletin. ELECTRICAL SYSTEM. Technical information for a Malfunction Indicator Light Active / Warning Message All-Wheel Drive Disturbed: Fault Memory Entry “U140500 - Terminal 15, Signal Implausible” in Various Control Units (35 / 26) |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.