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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Bulletins, newest first
122-N5V9B-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Instructions for retrofitting Sport Plus Mode on vehciles without sport chrono package already installed. This bulletin is specifically for the new Porsche PCM4 which was new for MY17.
122-Z6Y7L-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.030 & 035.
122-E4R8U-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.020.
122-B3Y6H-092019-09-23. Service bulletin. ELECTRICAL SYSTEM. Bulletin outlining PIWIS Tester updates 38.600.000, .010, & .015.
122-S2L6W-092019-09-23. Service bulletin. WHEELS. List of approved wheel and tire combinations for the MY17 718 and newer.
122-F7A6N-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Announcement of new Special Tool 9942 for cheching the valve on the coolant reservoir for the 718.
122-X2X7N-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. Notice to dealers that coolants will be moved out of the special tool cabinet in the dealer service department in order to make room for new special tools. All coolant tools will be moved to the "Coolant Cart" because they need to be housed in the same place.
122-V5F8X-072019-07-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Information on new model designation logos which can be purchased and applied to the rear exhaust area of a vehicle, displaying the model designation on the outside of the vehicle.
122-V3B6B-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Announcement of a 6 month warranty extension on VAS 581005P R1234yf Service Units for air conditioning.
122-W9D2T-072019-07-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Instructions for using VAS 581005P in order to chech and service R1234yf Air Conditioning Unit.

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