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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
No. 23032023-03-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Special tools information for the pneumatic cartridge gun.
No. 05-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine A40 oils for all Porsche models that use A40 oil.
No. 04-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C40 oils for all Porsche models that use C40 oil.
No. 03-232023-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Overview of approved engine C30 oils for all Porsche models that use C30 oil.
No. 103-202023-03-04. Service bulletin. ELECTRICAL SYSTEM. Technical information for a complaint - selector lever button lighting not functioning intermittently
WLM62023-02-07. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Porsche intranet posting with information on workshop campaign WLM6 - check brake lines on the front axle and replace them if necessary
No. 48-222023-02-07. Service bulletin. WHEELS. Manufacturers certificate for approved wheels and tires
No. 197-202023-02-06. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Technical information for WLM6 - checking brake lines on the front axle and replace if necessary.
No. 31-202023-02-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for a diagnosis and handling of the 12 volt battery (on-board battery)
No. 22-212023-01-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Installation and conversion instructions for the 911 Turbo - sport design package.
No. 22362023-01-10. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for a 911 - injector fault.
No. 2229.52023-01-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Instructions on advanced technical information for the Cayenne and 911. An update to the conbox current draw discharges 12v battery.
No. 159-21-12023-01-10. Service bulletin. ELECTRICAL SYSTEM. Information on technical information for a complaint involving the Cayenne, Cayman, Boxster, Macan, and 911. The SD map update/OTA map update does not function
No. 6-212023-01-10. Service bulletin. VISIBILITY. Installation and conversion instructions for the dashcam on the 911.
No. 22332023-01-10. Service bulletin. STEERING. Instructions on advanced technical information for the 911.
No. 22342023-01-10. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for improper odometer and speedometer function
WNN72022-12-07. Service bulletin. FUEL SYSTEM, GASOLINE. Porsche intranet posting with information on workshop campaign - WNN7 - check fuel tank retaining strap and replace if necessary
No. 1758.42022-12-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Special tools information for the logo templates and exchangeable inserts.
PIWIS2202b2022-12-07. Service bulletin. EQUIPMENT. Information for PIWIS tester update 41.500.020 & .022
No. 22242022-12-07. Service bulletin. EQUIPMENT. Special tools information for welding tools for the 911, 718, Macan, Panamera, Cayenne, Taycan.
No. 22212022-12-07. Service bulletin. EQUIPMENT. Special tools information for the 9282 supersedes to the PNA9282NAR.
No. D618.12022-12-07. Service bulletin. UNKNOWN OR OTHER; COMMUNICATION. Parts information for parts withdrawal involving the gateway
No. 178-222022-12-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Technical information for WNN3 - re-programming connect control unit.
No. 2229.42022-12-07. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Instructions on advanced technical information for the conbox current draw discharges 12v battery - for the Cayenne and 911.
No. 185-222022-12-07. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING; FUEL SYSTEM, GASOLINE. Technical information for WNN7 - checking fuel tank retaining strap and replace if necessary.

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