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Service bulletins for the 2021 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.

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

By type

By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
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.
ATI016022021-06-28. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The Approval and Support Management Program (ASM)
PIWIS2101y2021-06-02. Service bulletin. EQUIPMENT. Information on Porsche PIWIS Tester III Online Update 40.200.020.
No. 21092021-06-02. Service bulletin. EQUIPMENT. Special tools information for pinout tool box tools.
No. D5562021-06-02. Service bulletin. EQUIPMENT. Parts withdrawal information for 992 trim pieces.
No. 49-21-22021-04-06. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE. Porsche recall campaign information for Recall campaign AMA3 - Reworking Various Threaded Connections on the Chassis.
No. D4a2021-04-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Historical information on Porsche product evolution.
No. 14-212021-04-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C20 engine oils for new Porsche vehicles.
No. 11-212021-04-05. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. List of approved C40 engine oils for new Porsche vehicles.
No. D13.12021-04-05. Service bulletin. EQUIPMENT. Parts information on new PIWIS Tester program for Independent Repair Facilities (IRFs).
PIWIS2102j2021-04-02. Service bulletin. EQUIPMENT. Information on PIWIS Tester update 40.000.020 & .022.
No. 210-202021-02-01. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Instructions on how to replace the intake pipe in the event that there is a leak on the right side of the turbocharger.
WLP02021-01-05. Service bulletin. EQUIPMENT; POWER TRAIN. Porsche intranet posting with preliminary information on Workshop campaign WLP0 -Re-programming PDK control unit.
No. 57-202021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C40 style engine oils for MY21 and newer Porsche models.
No. 56-202021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C30 style engine oils for MY21 and newer Porsche models.
No. 55-202021-01-05. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C20 style engine oils for new Porsche models as of 2021.

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