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.
By type
By component
By trouble code
Only bulletins with component: 12-volt battery are shown. Show all
| No. 05-21 | 2022-06-03. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM):SOFTWARE. Technical information for replacing the high-voltage battery |
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| 122-U8T8P-03 | 2019-03-25. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Complaint - Battery Low and YellowWarning Message "Battery low _ Service necessary" |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.