Service bulletins for the 2022 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.
659 on file from NHTSA, as of 2026-10-19.
About P2421 on the 2022 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: P2421 are shown. Show all
| No. 10-25 | 2026-02-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for Malfunction Indicator Light Active/Fault Memory Entry regarding Tank Shut-Off Valve Tank Ventilation System “P242100” or “P242200” in DME Control Unit |
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| No. 10-25 | 2025-04-07. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; ENGINE. Technical Information - Malfunction Indicator Light Active / Fault Memory Entry "P242100" or "P242200" in DME Control Unit: Observe Guided Troubleshooting (10 / 25) |
| No. 2412.2 | 2024-09-05. Service bulletin. ENGINE. Instructions on advanced technical information for the Cayenne DME - P242100 – Fuel Tank Isolation Valve for Tank Ventilation System |
| No. 2412.1 | 2024-08-06. Service bulletin. ENGINE. Instructions on advanced technical information for the Cayenne DME P242100 - fuel tank isolation valve for tank ventilation system - stuck open |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.