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Service bulletins for the 2021 Porsche 718 Boxster

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.

365 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. 20-232023-10-05. 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. 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
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. 62-232023-08-03. Service bulletin. ENGINE AND ENGINE COOLING. Symptom based workshop manual for an engine symptom involving vibration noises from the engine compartment.
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. 2206.22022-11-04. Service bulletin. ENGINE AND ENGINE COOLING. Advanced technical information for the Boxster and Cayman.
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.

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