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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
WNN72022-12-07. Service bulletin. FUEL SYSTEM, GASOLINE. Porsche intranet posting with information on workshop campaign - WNN7 - check fuel tank retaining strap and replace if necessary
WNN32022-12-07. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on workshop campaign WNN3 - reprogramming connect control unit
No. 1758.42022-12-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Special tools information for the logo templates and exchangeable inserts.
No. 22252022-12-07. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Special tools information for rental logo templates on the 911, Macan, and Taycan.
PIWIS2202b2022-12-07. Service bulletin. EQUIPMENT. Information for PIWIS tester update 41.500.020 & .022
No. 22322022-12-07. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. Instructions on advanced technical information for the Taycan, 911, Cayenne. Active parking support and remote park assist not available in certain parts.
No. 231-222022-12-07. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for drops of oil or traces of oil on rear axle shock absorber
No. 22242022-12-07. Service bulletin. EQUIPMENT. Special tools information for welding tools for the 911, 718, Macan, Panamera, Cayenne, Taycan.
No. 22212022-12-07. Service bulletin. EQUIPMENT. Special tools information for the 9282 supersedes to the PNA9282NAR.
No. D618.12022-12-07. Service bulletin. UNKNOWN OR OTHER; COMMUNICATION. Parts information for parts withdrawal involving the gateway
No. 178-222022-12-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Technical information for WNN3 - re-programming connect control unit.
No. 2229.42022-12-07. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Instructions on advanced technical information for the conbox current draw discharges 12v battery - for the Cayenne and 911.
No. 185-222022-12-07. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING; FUEL SYSTEM, GASOLINE. Technical information for WNN7 - checking fuel tank retaining strap and replace if necessary.
No. 2229.32022-12-06. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the conbox current draw discharges 12v battery.
No. 2229.22022-11-04. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Cayenne and 911 - current draw discharges 12v battery
No. 197-222022-11-04. Service bulletin. STEERING. Technical information on the lane keep assist does not function after replacing the power steering gear.
No. 2229.12022-11-04. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information for the Cayenne and 911 - current draw discharges 12V battery
No. 214.212022-11-04. Service bulletin. EQUIPMENT; SERVICE BRAKES, HYDRAULIC. Technical information for a complaint - brake rubbing, floating pedal pressure point, high wear on brake pads/discs, and lateral runout of brake disc.
PIWIS2201au2022-10-05. Service bulletin. EQUIPMENT. Information for PIWIS tester update 41.400.000 & .010.
No. 22292022-10-05. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Cayenne and 911 - conbox current draw discharges 12v battery
PIWIS2201at2022-10-05. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.375.050
No. 181-222022-10-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for spare parts requirements - 12 volt lithium ion starter battery
PIWIS2201as2022-10-05. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.375.045.
No. D6152022-10-05. Service bulletin. EQUIPMENT; FUEL SYSTEM, GASOLINE. Parts information for parts withdrawal involving the fuel filler flap
PIWIS2201ar2022-10-05. Service bulletin. EQUIPMENT. Information for PIWIS tester update #41.375.040

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