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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
No. 210-202024-05-02. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Technical information for a complaint - oil leak on intake side of right turbocharger - replace intake pipe
No. 24042024-04-03. Service bulletin. POWER TRAIN; EQUIPMENT. Special tools and equipment information for the Boxster, Cayman, 911, and Panamera
No. 2401.22024-04-03. Service bulletin. VISIBILITY:WINDSHIELD; EQUIPMENT; VISIBILITY. Instructions on advanced technical information for the windshield seal melting/deteriorating
No. 2401.12024-02-08. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD:CRITICAL FASTENERS. Instructions on advanced technical information for the 911 windshield seal melting/deteriorating
PIWIS2401e2024-02-08. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Information on PIWIS tester update 42.500.005
No. 2401.22024-02-08. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD:CRITICAL FASTENERS. Instructions on advanced technical information for the 911 - windshield seal melting/deteriorating
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. 183-212023-12-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; EQUIPMENT. Symptom based workshop manual for rattling noises from around the rear axle
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
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
PIWIS2302h2023-11-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Special tools and equipment information on PIWIS tester update 42.250.050
PIWIS2302g2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.045
PIWIS2302f2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.042
PIWIS2302e2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information PIWIS tester update 42.250.040
PIWIS2302d2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.032
PIWIS2302C2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.030
PIWIS2302b2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.025

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