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Service bulletins for the 2014 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.

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

By type

By component

By trouble code

Bulletins, newest first
No. 180-212022-03-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Information for recall campaign WMM7 replacing VTS control unit.
No. 148-212022-03-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Technical information for recall campaign AMC0. re-programing DME and transmission control unit.
No. 109-212022-01-05. Service bulletin. EQUIPMENT; WHEELS; SUSPENSION. Symptom-based workshop manual: noise symptom, clicking sound from around the front axle. Observe specified procedure.
No. 148-212022-01-04. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Recall repair information for recall campaign AMC0 - reprograming DME and transmission control unit.
No. 180-212021-12-07. Service bulletin. ELECTRICAL SYSTEM. Technical information on WMM7 - replacing VTS control unit.
No. 21162021-11-05. Service bulletin. EQUIPMENT. Special tools information for a new contact surface cleaning set.
No. 148-212021-11-05. Service bulletin. POWER TRAIN. Recall repair information for recall campaign AMC0 - re-programing DME and transmission control unit.
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. 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. 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.
No. 34-212021-07-06. Service bulletin. WHEELS. List of approved wheel and tires for the 911 50th anniversary edition.
No. 33-212021-07-06. Service bulletin. WHEELS. List of approved wheels and tires for the 991 generation 911.
No. 32-212021-07-06. Service bulletin. WHEELS. List of approved wheels and tires for the 911 Turbo.

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