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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: Engine are shown. Show all

Bulletins, newest first
No. 167-23-22024-01-03. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for the coolant warning light lights up - supposed coolant loss on coolant pump
No. 19-232023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche A40 engine oils.
No. 18-232023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C40 engine oils.
No. 17-232023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C30 engine oils.
No. 16-232023-10-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Manufacturers certificate for an overview of approved Porsche C20 engine oils.
No. D6472023-09-09. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP. Parts information on parts withdrawal for the oil pump
No. 14-232023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Manufacturers certificate for allocation of approved engine oils
No. 2114.22023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the engine - will not start for updating PVTS CU software via dealer web portal
No. 180-18-22023-08-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical information for a complaint involving the cylinder head cover near the injector holes leaking.
No. 02-23-12023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. Manufacturers certificate for approved engine C20 engine oils.
No. 05-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine A40 oils for all Porsche models that use A40 oil.
No. 04-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C40 oils for all Porsche models that use C40 oil.
No. 03-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 oils for all Porsche models that use C30 oil.
No. 28-132023-01-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Information on technical information for diesel vehicles BIN 5 - control unit with NOx sensor needs to be replaced, only replace in pairs.
No. 173-222022-11-04. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for an oil leak around the oil-filter housing
No. 70-20-12022-11-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical information for WLD5 - replacing hose for positive crankcase ventilation
No. 2219.12022-10-05. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for various vehicles with 3GVTS - engine start inhibited and fault code present.
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. 181-212022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for AMC2 - reprograming DME and transmission control unit.
WLN32022-08-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Porsche intranet posting with information on Workshop campaign WLN3 - replacing starter
No. 33-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C20 engine oils for all Porsche models using this oil.
No. 31-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C40 engine oils for all Porsche models using this oil.
No. 36-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approve Porsche A40 engine oils.
No. 35-222022-08-05. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 oils for Porsche models using C30 oils.
No. 70-21-32022-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Information on workshop campaign WLN3 - replacing starter

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