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Service bulletins for the 2018 Porsche 911

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.

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

By type

By component

By trouble code

Bulletins, newest first
No. 1503.12020-12-02. Service bulletin. SERVICE BRAKES. Advanced technical information on a clicking sound from front PCCB rotors on certain 911 Turbo S models.
No. 20002020-11-06. Service bulletin. ENGINE AND ENGINE COOLING. Advanced Technical information on a NVH Lubrication kit.
No. D2492020-11-05. Service bulletin. WHEELS. Parts Promotion information on Magnesium RS Rims Sets.
No. 11-152020-10-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Information on replacing the control unit for the auxiliary alarm system in the event of fault codes.
No. 20242020-10-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS/RECEPTACLES. Information on new special tool - VAS 1978/35 Connector Release Tools.
No. 20222020-10-01. Service bulletin. EQUIPMENT:MECHANICAL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on new special tool - Pinout/Diag Tool Box w/ Foam
No. 31-202020-10-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. List of approved engine oils for all Porsche models since 2003.
PIWIS2001af2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.030
No. 11-142020-10-01. Service bulletin. POWER TRAIN. Technical information on Checking Dual-Mass Flywheel (DMF) on Vehicles with PDK.
No. 20202020-10-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Information on new special tool for offline updates of the PCM Versions 4 and 5.
No. 20172020-10-01. Service bulletin. SERVICE BRAKES, HYDRAULIC. New Special tools information on VAS 6627A/11 Brake Caliper Drilling Template.
PIWIS2001ad2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.020
No. 33-202020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Overview of Approved Porsche C20 Engine Oils
PIWIS2001ac2020-10-01. Service bulletin. ELECTRICAL SYSTEM. Information on PIWIS Tester III Online Update 39.700.000, .010 & .012
No. 20142020-10-01. Service bulletin. ENGINE AND ENGINE COOLING. Information on a new bonding applicator gun for the GT2 RS.
No. 43-102020-08-05. Service bulletin. POWER TRAIN. Various repair symptoms and their associated repairs for all PDK transmissions.
No. 26-092020-08-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Recommendations on how to store any Porsche vehicle since 2009.
Charging lockup2020-07-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Info on a new customer tool for looking up campaigns and recalls on their vehicle.
No. D4a2020-07-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Document showing the evolution of Porsche Vehicles since 1948.
PIWIS2001v2020-07-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on new PIWIS tester update 39.500.020 and .025.
No. 41-202020-07-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Instructions on how to perform a PVTS Software update in the event that a car will not start.
No. 70-202020-07-01. Service bulletin. POWER TRAIN. Information on new transmission oil for the 991 generation 911. Mixing is now not required.
No. 2007.12020-06-02. Service bulletin. VEHICLE SPEED CONTROL. Instructions for clearing adaptive cruise control faults and warnings.
No. 04-112020-06-02. Service bulletin. SEATS. Instructions for reworking the seat cover in the event that dark spots begin to appear as a result of using seat ventilation.
No. 130-192020-06-02. Service bulletin. POWER TRAIN. Instructions for replacing the clutch chamber vent line in the event that oil leaks when driving on race circuits.

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