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Service bulletins for the 2019 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.

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

By type

By component

By trouble code

Bulletins, newest first
No. 174-21-12022-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Technical information on why engine will not start - checking engine ground strap.
No. 21362022-01-04. Service bulletin. ELECTRICAL SYSTEM. Special tools information for a map service update for PCM4 and PCM5.
No. 180-212021-12-07. Service bulletin. ELECTRICAL SYSTEM. Technical information on WMM7 - replacing VTS control unit.
No. 1758.32021-12-07. Service bulletin. EQUIPMENT. Special tools information for logo templates and exchangeable inserts.
No. 21332021-12-07. Service bulletin. EQUIPMENT. Special tools information for coolant cart foam update.
No. 21162021-11-05. Service bulletin. EQUIPMENT. Special tools information for a new contact surface cleaning set.
No. 13-212021-11-05. Service bulletin. EQUIPMENT. Installation and conversion instructions for the SportDesign Package.
No. 76-212021-11-05. Service bulletin. WHEELS; TIRES. Instructions on the manufacturer's certificate for approved winter tires, wheels, and snow chains.
No. 75-212021-11-05. Service bulletin. WHEELS; TIRES. Instructions on the manufacturer's certificate for approved summer tires, wheels, and spacers.
No. 89-212021-11-05. Service bulletin. WHEELS; TIRES. Instructions on the manufacturer's certificate for approved summer tires and wheels.
No. 90.212021-11-05. Service bulletin. WHEELS; TIRES; EQUIPMENT:OTHER:LABELS. Instructions on the manufacturer's certificate for approved winter tires, wheels, and snow chains.
No. 88-212021-11-04. Service bulletin. WHEELS. Information on the manufacturer's certificate for approved wheels and tires.
No. 2106.12021-11-04. Service bulletin. WHEELS. Advanced technical information for clicking noises from centerlock wheels.
No. 38-142021-10-06. Service bulletin. EQUIPMENT. Installation and conversion instructions for retrofitting a bicycle rack on a variety of vehicles.
No. 59-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved C20 engine oils for all Porsche models using C20 oil.
No. 60-212021-09-03. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine C30 engine oils for all Porsche vehicles using C30 oil.
No. 61-212021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved engine oils for all Porsche models using C40 oil.
No. 21122021-09-02. Service bulletin. EQUIPMENT. Special tools information on new Redline Dual Purpose Diagnostic Leak Locator.
No. 7-202021-09-02. Service bulletin. EQUIPMENT. Installation instructions for retrofitting a titanium roll cage in the 991 generation 911.
No. 20-142021-09-02. Service bulletin. EQUIPMENT. Installation instructions for retrofitting a roof box on a variety of Porsche models.
No. 77-212021-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for what to do if there are complaints or issues with vehicles shortly after charging or removing and installing spark plugs.
No. 2114.12021-08-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Advanced technical information for updating the PVTS CU Software in the event that the engine will not start.
PIWIS2101ac2021-07-06. Service bulletin. EQUIPMENT. Information on new PIWIS Tester update #40.300.020.
No. 21142021-07-06. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information on Updating PVTS CU Software in the event that the Engine will not start.
PIWIS2101ab2021-07-06. Service bulletin. EQUIPMENT. Information on PIWIS tester update #40.300.000 & .010.

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