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Service bulletins for the 2021 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.

829 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
No. 01-252025-03-06. Service bulletin. FUEL/PROPULSION SYSTEM; ENGINE. Manufacturer's Certificate - Overview of Approved Porsche C20 Engine Oils (01/25)
No. 210-232025-03-06. Service bulletin. ENGINE. Technical Information - Replacement Requirement for Exhaust Flap Adjusters / Adaptation after Component Replacement not Possible: Observe Special Procedure for Adaptation (210/23)
No. 173-212025-03-05. Service bulletin. ENGINE. Technical information - Warning Message “Coolant Temperature Too High”: Checking Coolant Pump and Change - Over Valve (173/21)
No. 192-242024-12-07. Service bulletin. ENGINE. Technical information for Various Warning Messages in the Instrument Cluster / Fault Memory Entry “P010600” in the DME Control Unit: Re-Programming DME Control Unit
No. D7032024-12-06. Service bulletin. ENGINE. Parts information for parts withdrawal involving the oil separator. The affected vehicles are cars that use part number 0PC115099A
No. 119-232024-11-06. Service campaign. ENGINE. Technical information for WPK9 - check crankcase ventilation plug connection
No. 2304.12024-10-07. Service bulletin. ENGINE. Information on a air separator membrane failure
No. 127-232024-10-07. Service bulletin. ENGINE. Technical information on warranty information regarding an extension for a positive crankcase ventilation hose
No. 31-242024-10-07. Service bulletin. ENGINE. Manufacturers certificate with an overview on approved Porsche C30 engine oils. See attached for list of affected vehicles.
No. 30-242024-10-07. Service bulletin. ENGINE. Manufacturers certificate with an overview on approved Porsche C20 engine oils. See attached for list of affected vehicles.
No. D6942024-10-04. Service bulletin. ENGINE. Parts information for parts withdrawal involving the engine oil (00004321093)
No. 2412.22024-09-05. Service bulletin. ENGINE. Instructions on advanced technical information for the Cayenne DME - P242100 – Fuel Tank Isolation Valve for Tank Ventilation System
WPS12024-08-06. Service campaign. ENGINE. Porsche intranet posting with information on WPS1 Workshop campaign – Checking pressure sensors and replacing them if necessary
No. 8-182024-08-06. Service bulletin. ENGINE. Installation and conversion instructions for the sports tailpipe, twin branch - silver/black
No. 2412.12024-08-06. Service bulletin. ENGINE. Instructions on advanced technical information for the Cayenne DME P242100 - fuel tank isolation valve for tank ventilation system - stuck open
No. 173-212024-08-06. Service bulletin. ENGINE. Technical information for a warning message "coolant temperature too high:: checking coolant pump and change over valve
No. 04-24-22024-08-06. Service campaign. ENGINE. Technical information for WPS1 - checking pressure sensors and replacing them if necessary
No. 04-24-12024-08-06. Service campaign. ENGINE. Technical information for WPS1 - checking pressure sensors and replacing them if necessary
No. D6882024-08-06. Service bulletin. ENGINE. Parts information for parts withdrawal for the seal ring - 0PB115625A
No. D6872024-08-06. Service bulletin. ENGINE. Parts information for parts withdrawal involving the rear muffler/high pressure pump
No. 17-182024-07-03. Service bulletin. ENGINE. Technical information for a complaint - engine faults (knocking/tapping combustion) under loads
No. D6832024-07-02. Service bulletin. ENGINE. Parts information for parts withdrawal for spoiler matt black/drive unit
No. 2221.42024-07-02. Service bulletin. ENGINE. Instructions on advanced technical information for the Cayenne E-Hybrid - thermal management fault (P26B100) causes a check engine light
No. 2307.22024-06-05. Service bulletin. ENGINE. Instructions on advanced technical information for a display of "coolant temperature too high" in group V6 and V8 engines
No. 120-19-22024-05-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Symptom based workshop manual for a noise symptom - rattling noises from engine compartment. Checking balance shaft bracing wheel and replacing if necessary - E3

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.