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Service bulletins for the 2017 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
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. 70-202021-08-04. Service bulletin. POWER TRAIN; EQUIPMENT. Information on new transmission oil available with no mixing permitted.
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.
No. 35-212021-07-06. Service bulletin. WHEELS. List of approved wheels and tires for the 911.
No. D5732021-07-06. Service bulletin. SUSPENSION. Parts withdrawal information for a shock absorber.
PIWIS2101aa2021-07-06. Service bulletin. EQUIPMENT. Information on new PIWIS Tester update #40.250.040
No. 2100.12021-07-06. Service bulletin. ELECTRICAL SYSTEM. Information on offline MAP service updates for the PCM4 and PCM5.
No. D13.22021-07-06. Service bulletin. EQUIPMENT. Information on new PIWIS Tester program for independent repair facilities.
PIWIS2101z2021-07-06. Service bulletin. EQUIPMENT. Information on Porsche PIWIS Tester update #40.250.030 & .035.
ATIALL416052021-06-28. Service bulletin. EQUIPMENT; SERVICE BRAKES. Understanding and addressing brake squeal complaints.
ATIALL416042021-06-28. Service bulletin. EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. 2003 to Present All with tire pressure monitoring system.
ATIALL16012021-06-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 1997 to Present - Vehicle Analysis Log Types - In an effort to prode accurate information regarding the state of the vehicle at the time fof VAL creation, a "log type" drop down menu was added at the end of the VAL creation menu.
ATI991415032021-06-28. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR; SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR:DISC:ROTOR. Clicking Noise From Front PCCB Rotors -
ATI016022021-06-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The Approval and Support Management Program (ASM)
991941-152021-06-28. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Retrofitting - Rear footwell lighting coimprises two LED footwell lights. The LED footwell lights are installed in the footwell of the left and right rear seat.
991442-152021-06-28. Service bulletin. EQUIPMENT; WHEELS; STEERING. GT Sport Steering Wheel Including Multi-Function and Steering Wheel Heating concern Retrolifting
991440-152021-06-28. Service bulletin. POWER TRAIN; STEERING; EQUIPMENT. Power Steering Plus (I-no.658 ) - Power steering plus is a speed sensifitive power sterring system. It reduces steering forces while manoeuvring the vehicle and driving at low speeds.

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