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Service bulletins for the 2015 Porsche 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.

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

By type

By component

By trouble code

Bulletins, newest first
No. 17-212021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine oils for new and classic Porsche models.
PIWIS2101y2021-06-02. Service bulletin. EQUIPMENT. Information on Porsche PIWIS Tester III Online Update 40.200.020.
PIWIS2101x2021-06-02. Service bulletin. ELECTRICAL SYSTEM. Information on Porsche PIWIS Tester III Online Update 40.200.000, .010, .015 & .016.
No. 52-212021-05-05. Service bulletin. ELECTRICAL SYSTEM. Information on how to deal with a potential cyber security breach.
No. D4a2021-04-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Historical information on Porsche product evolution.
No. 2-182021-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Installation and conversion instructions for modifying the charging pedestal from aluminum to glass.
No. 13-212021-04-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C20 style engine oils for classic and new Porsche models since 1984.
No. 09-212021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved A40 style engine oils for new and classic Porsche vehicles MY 1984 and newer.
No. 08-212021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 engine oils for new and classic Porsche vehicles MY 1984 and newer.
No. 07-21-12021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C30 engine oils for all new and Classic Porsche vehicles MY1984 and newer.
No. 03-212021-04-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all new and classic Porsche models 1984 and newer.
PIWIS2102j2021-04-02. Service bulletin. EQUIPMENT. Information on PIWIS Tester update 40.000.020 & .022.
No. 26-182021-04-02. Service bulletin. ELECTRICAL SYSTEM. Information on a Navigation system update for the PCM3.1
122-S6Q2R-062021-03-06. Service bulletin. EQUIPMENT; SERVICE BRAKES. Resubmitting at request of Mr. Bernard Hardgrave. Advanced technical information on brake fluid for all Porsche vehicles.
122-K9M7R-062021-03-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Resubmitting at request of Mr. Bernard Hardgrave. Information on fogging lighting components.
122-Y3F6M-012021-03-06. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE AND ENGINE COOLING. Resubmitting at request of Mr. Bernard Hardgrave. Instructions for addressing cracks on the heat shield on the catalytic converter.
No. D2512021-03-02. Service bulletin. EQUIPMENT. New parts promotion for all weather mats and cargo liner.
No. 1820.12021-02-02. Service bulletin. STRUCTURE. Special tools information on a measuring and alignment system.
No. 1758.22021-02-01. Service bulletin. EQUIPMENT. Special tools information on Logo Templates and exchangeable inserts.
No. 1758.12021-02-01. Service bulletin. EQUIPMENT. Special tools information on Logo templates and exchangeable inserts.
No. 134-182021-02-01. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:IGNITION:COIL. Instructions on how to replace the engine coils in the event that there is engine noise.
No. 72-172021-02-01. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. Instructions for reworking the fan motor in the event that the HVAC does not function.
WLN12021-01-05. Service bulletin. EQUIPMENT. Porsche intranet posting with preliminary information on WLN1 stop sale/workshop campaign.
No. 54-202021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved A40 style engine oils for new and classic Porsche models.
No. 53-202021-01-05. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C40 style engine oils for new and classic Porsche vehicles.

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