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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. 24012024-02-08. Service bulletin. UNKNOWN OR OTHER; VISIBILITY:WINDSHIELD:CRITICAL FASTENERS. Special tools and equipment information for all Porsche vehicles - expansion kit for the redline dual purpose diagnostic leak locator.
No. 147-182024-02-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP. Technical information for the complaint - rattling noise from around the crank drive
No. 8-192024-02-07. Service bulletin. ELECTRICAL SYSTEM. Installation and conversion instructions for the 911 - projector UD1
No. 19-202024-02-07. Service bulletin. ELECTRICAL SYSTEM. Installation and conversion instructions for the PCM - nav update
No. 197-232024-02-07. Service bulletin. ENGINE AND ENGINE COOLING. Symptom based workshop manual - Engine Symptom - Missing Oil-Level Gauge in Instrument Cluster: Re-Programming DME
No. 200-232024-02-07. Service bulletin. ENGINE AND ENGINE COOLING. Symptom-based workshop manual for engine symptoms - rattling noises at idle speed or at low load from engine/transmissions area
No. 2311.32024-02-07. Service bulletin. ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the DME fault P310B00
No. 201-23-22024-02-07. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for a message "engine control fault" in instrument cluster
2311.22024-02-07. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. Instructions on advanced technical information for a DME fault - fuel low pressure
No. 242-222024-01-03. Service bulletin. ENGINE AND ENGINE COOLING. Technical information on the check engine warning light active in conjunction with fault memory entry “P036600”,“P039100”, “P034100” and/or “P034600” in the DME Control Unit
No. 2311.12024-01-03. Service bulletin. FUEL SYSTEM, GASOLINE. Instructions on advanced technical information for DME fault P310B00 - fuel low pressure
WPE92023-12-08. Service bulletin. ENGINE AND ENGINE COOLING. Porsche intranet posting with information on WPE9 - workshop campaign replace oil filler neck
No. 183-212023-12-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; EQUIPMENT. Symptom based workshop manual for rattling noises from around the rear axle
No. 29-232023-12-08. Service bulletin. WHEELS. Instructions on manufacturers certificate for approved wheels and tires
No. 13-212023-12-08. Service bulletin. EQUIPMENT. Installation and conversion instructions for the sport design package on the 911
PIWIS2302s2023-12-08. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.300.050 & .052
No. 38-232023-12-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Instructions on manufactures certificate for approved Porsche C40 engine oils
No. 37-232023-12-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Instructions on manufactures certificate for approved Porsche C30 engine oils
No. 36-232023-12-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Instructions on manufactures certificate for approved Porsche C20 engine oils
No. 19-212023-12-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Installation and conversion instructions for the GT3 RS
No. 171-232023-12-07. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Technical information for APB3 - recoding airbag control unit
PIWIS2302r2023-12-07. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.300.040 & .041
PIWIS2302q2023-12-07. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.300.035
PIWIS2302p2023-12-07. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.300.030 - .032
No. D6542023-12-07. Service bulletin. EQUIPMENT. Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY

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