WenmarOpen by Wenmar Pro

Service bulletins for the 2021 Porsche 718 Cayman

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.

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

By type

By component

By trouble code

Bulletins, newest first
No. D52023-09-09. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. Parts information for parts withdrawal on the locks made to original key code
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. 10-232023-09-08. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on manufacturers certificate for approved Porsche C30 engine oils.
No. 14-232023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Manufacturers certificate for allocation of approved engine oils
PIWIS2301as2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.100.000, .010 & .011
PIWIS2301ar2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester updates 42.000.050 & .051
PIWIS2301aq2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester update 42.000.048
PIWIS2301ap2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.040
PIWIS2301ao2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.035
No. 23112023-07-06. Service bulletin. EQUIPMENT. Special tools information on an upgrade to the pushers for the VAS5237
No. 23092023-06-06. Service bulletin. SERVICE BRAKES. Instructions on advanced technical information for the 718 GTS 4.0 Brake Booster
No. D4a2023-04-06. Service bulletin. EQUIPMENT. Product knowledge for the Porsche evolution from 1948-2023.
No. 122-202023-04-06. Service bulletin. SERVICE BRAKES, HYDRAULIC. Technical information on a complaint - brake noise
WNK52023-03-07. Service bulletin. EQUIPMENT. Porsche intranet posting with information on workshop campaign WNK5 - exchanging spreader device
WNK62023-03-06. Service bulletin. EQUIPMENT. Porsche intranet posting with information on workshop campaign WNK6 - exchanging spreader device
No. 08-232023-03-04. Service bulletin. FUEL SYSTEM, GASOLINE. Manufacturers certificate for approved engine C40 oils for MY23.
PIWIS2301k2023-03-04. Service bulletin. EQUIPMENT. Information for PIWIS tester update 41.750.045 & .046
No. 23032023-03-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Special tools information for the pneumatic cartridge gun.
No. 140-22-12023-03-04. Service bulletin. PARKING BRAKE. Technical information on WNK5 - exchanging spreader device
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.
WLM62023-02-07. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Porsche intranet posting with information on workshop campaign WLM6 - check brake lines on the front axle and replace them if necessary
No. 197-202023-02-06. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Technical information for WLM6 - checking brake lines on the front axle and replace if necessary.
No. 159-21-12023-01-10. Service bulletin. ELECTRICAL SYSTEM. Information on technical information for a complaint involving the Cayenne, Cayman, Boxster, Macan, and 911. The SD map update/OTA map update does not function
No. 7-212023-01-10. Service bulletin. VISIBILITY. Installation and conversion instructions for the dashcam on the 718.

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