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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

Bulletins, newest first
No. 150-222022-10-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Technical information on the the MIL activating together with the fault memory entry - P045600/P044200
No. 1734.12022-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools information for the corner weight/alignment scales on all Porsche GT cars and 918 Spyders.
No. 103-202022-10-05. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Technical information for a complaint involving the selector lever button lighting not functioning intermittently - replacing selector support.
No. 96-222022-10-04. Service bulletin. EQUIPMENT. Technical information for the oil drain plug on the oil tank - cannot be loosened
WNF42022-09-13. Service bulletin. EQUIPMENT. Porsche intranet posting with information on workshop campaign WNF4 - check suspension alignment and correct if necessary
WNK92022-09-13. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on workshop campaign WNK9 - reprogramming selector level control unit.
No. 1804.12022-09-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Instructions on advanced technical information for the lubricant for the sunroof/sliding roof.
PIWIS2201an2022-09-08. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.300.000, .010 & .012
No. 23-192022-09-08. Service bulletin. EQUIPMENT. Technical information on WKA9 - retrofitting warning sticker on emergency release handle for slide.
No. 145-222022-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for WNK9 - reprogramming selector lever control unit.
No. 22262022-09-08. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Macan, Cayenne, and 911. restarts unexpectedly.
No. 22242022-09-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Instructions on advanced technical information for the Cayenne and 911 - inno-drive does not function.
No. 147-222022-09-08. Service bulletin. VISIBILITY. Technical information for dust/spots on headlight lens for all models starting at model year 2020.
No. 30-22-22022-09-08. Service bulletin. WHEELS. Instructions on the manufacturers certificate for approved wheels and tires.
No. 2002.12022-09-08. Service bulletin. EQUIPMENT. Special tools information for new blitz table replacement castors.
No. 90-222022-09-08. Service bulletin. POWER TRAIN. Technical information WNF4 - check chassis settings and correct if necessary.
No. 22152022-09-08. Service bulletin. EQUIPMENT. Special tools information for a new drawer 20 foam insert release for all models
No. 148-212022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for AMC0 - reprograming DME and transmission control unit
No. 32-222022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approved C20 engine oils.
No. 34-222022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on the manufacturers certificate for approved Porsche C30 engine oils.
No. 68-222022-09-07. Service bulletin. EQUIPMENT. Symptom-based workshop manual for a door noise complaint - door panel area.
WMJ22022-08-17. Service bulletin. EQUIPMENT. Porsche intranet posting with information on Workshop Campagin WMJ2 - reworking on threaded joint for ground point
WMA32022-08-16. Service bulletin. EQUIPMENT; WHEELS. Porsche intranet posting with information on Workshop Campaign WMA3 - replacing wheel bearing housing
WME92022-08-16. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on Workshop Campaign WME9 - reprograming PDK control unit
WMJ62022-08-16. Service bulletin. ELECTRICAL SYSTEM; SEATS. Porsche intranet posting with information on Workshop Campaign WMJ6 - reprograming and-or coding seat control unit

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