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Service bulletins for the 2023 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.

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

By type

By component

By trouble code

Bulletins, newest first
TSTR26362026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.031
TSTR26352026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.030
TSTR26342026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.023
TSTR26332026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.022
TSTR26332026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.022
TSTR26322026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.015
TSTR26312026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.010
TSTR26312026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.010
TSTR26302026-07-08. Service bulletin. UNKNOWN OR OTHER. Porsche Tester Software Update Information Software Version: 44.200.001
SPTL2603a2026-07-08. Other. STRUCTURE:BODY. Porsche Approved Collision Center – Acquiring Special Tools and Equipment
40/26 44072026-07-07. Service bulletin. WHEELS. Wheel Bolt Replacement Requirement - Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers (40/26)
09/26 37302026-07-07. Service bulletin. POWER TRAIN. Permanent Fault Memory Entries “P1775”/“P071400”/“P184900” in Transmission Electronics Control Unit (PDK) (09/26)
20/262026-07-07. Other. ENGINE. Overview of Approved Porsche C20 Engine Oils (20/26)
19/26 17012026-07-07. Other. ENGINE. Overview of Approved Porsche C30 Engine Oils (19/26)
21/26 17012026-07-07. Other. ENGINE. Overview of Approved Porsche C40 Engine Oils (21/26)
15/26 17012026-07-07. Other. ENGINE. Overview of Approved Porsche A40 Engine Oils (15/26)
16/26 17012026-07-07. Other. ENGINE. Overview of Approved Porsche C30 Engine Oils (16/26)
16/26 17012026-07-07. Other. ENGINE. Overview of Approved Porsche C30 Engine Oils (16/26)
17/26 17012026-07-07. Other. ENGINE. Overview of Approved Porsche C20 Engine Oils (17/26)
18/26 17012026-07-07. Other. ENGINE. Overview of Approved Porsche C40 Engine Oils (18/26)
87/20 48122026-07-07. Service bulletin. STEERING. Noise Symptom - Creaking Noise can be Heard When Touching the Steering Wheel Cover: Reworking Front Steering Wheel Cover (SY 87/20)
No. TLLI26022026-06-05. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Tech live look information bulletin for How to use Frontline.io on the HoloLens 2
No. TLLI26012026-06-05. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Tech live look information bulletin for how to use fronline.io on mobile devices and tablets.
No. D782.12026-06-05. Service bulletin. STRUCTURE:BODY. Parts information for parts withdrawal involving the door lock. The part numbers involved are all included in the PDF. All parts before generation status S08 and before pro-duction date 01.09.2024. The vehicles affected are ones that use the part numbers mentioned.
No. D7852026-06-05. Service bulletin. FUEL/PROPULSION SYSTEM; STRUCTURE:BODY; ELECTRICAL SYSTEM. Parts information for parts withdrawal involving 9J1827447B, PAA971221B, and 95B201060AA. The lock, the fuel tank attachments, and the module connector. The vehicles affected are ones that use the part number(s) mentioned.

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