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Service bulletins for the 2016 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.

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

By type

By component

By trouble code

Bulletins, newest first
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. 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. 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.
No. 31-212021-07-06. Service bulletin. WHEELS. List of approved wheels and tires for the 911 GT3.
No. 30-212021-07-06. Service bulletin. WHEELS. List of approved wheels and tires for the 991 generation 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. 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)
99143-152021-06-28. Service bulletin. WHEELS; TIRES. Approved Wheels and Tires (03/15) This bulletin rekplaces bulletin Group 4
9912133-152021-06-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. WF86 - Re-Programming DME Control Unit (Workshop Campaign)
No. 17-212021-06-02. Service bulletin. ENGINE AND ENGINE COOLING. List of approved engine oils for new and classic Porsche models.
PIWIS2101y2021-06-02. Service bulletin. EQUIPMENT. Information on Porsche PIWIS Tester III Online Update 40.200.020.

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