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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. 23042023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Advanced technical information: E3.I/G2 V8 – Oil/Air Separator Membrane Failure
No. 07-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 oils for all Porsche models that use C30 oil.
No. 06-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 oils for all Porsche models that use C20 oil.
No. 2235.12023-02-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for a display of "coolant temperature too high" on the Panamera, Macan, and Cayenne.
No. 22352023-01-10. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information - coolant temperature is too high on the Panamera, Macan, and Cayenne.
No. 250-222023-01-10. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for a check engine warning light is active in conjunction with fault memory entry “P25B400” in the DME control unit
No. 173-21-22023-01-10. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for a Warning Message "Coolant Temperature Too High": Checking Coolant Pump and Change-Over Valve
WNH12022-12-07. Service bulletin. ENGINE AND ENGINE COOLING. Porsche intranet posting with information on reprogramming the DME control unit
No. 112-222022-12-07. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for WNH1 - reprogramming of the DME control unit
No. 173-222022-11-04. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for an oil leak around the oil-filter housing
No. 22302022-10-05. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information - DME Fault P25B400 (008403) “Wastegate, turbocharger bank 1 – stuck closed
No. 156-222022-10-05. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for e-power not available - message or jerking/poor throttle response during catalytic converter heating phase.
No. 193-222022-10-05. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Technical information for check engine warning light active/fault memory entry (P26B100/00CB24) in the TME
No. 150-222022-10-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Technical information on the the MIL activating together with the fault memory entry - P045600/P044200
No. 8-202022-10-05. Service bulletin. ENGINE AND ENGINE COOLING. Installation and conversion instructions for the sport exhaust system
No. 20-192022-10-05. Service bulletin. ENGINE AND ENGINE COOLING. Installation and conversion instructions on the sports exhaust system
No. 139-222022-09-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Technical information for the check engine warning light activated/fault memory entry.
No. 32-222022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approved C20 engine oils.
No. 34-222022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approved Porsche C30 engine oils.
WMP62022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Porsche intranet posting with information on Workshop campaign WMP6 - replacing valve springs
No. 200-212022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Information for WMP6 - replacing valve springs for the Cayenne and Panamera
No. 22112022-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Special tools information for the Cayenne valve spring tools.
No. 2203.22022-07-07. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Instructions on advanced technical information for E-Hybrid OBC Fault B200000 DTC E11C11.
No. 200-212022-06-02. Service bulletin. ENGINE AND ENGINE COOLING. Information on WMP6 replacing valve springs.
No. 13-222022-05-03. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for allocation of approved engine oils.

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