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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
PIWIS2302a2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.020 & .022
PIWIS2301az2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.000 – 42.200.012
No. D52023-09-09. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. Parts information for parts withdrawal on the locks made to original key code
WPF12023-08-07. Service bulletin. EQUIPMENT. Porsche intranet posting with information on WPF1 - Workshop campaign - Supplying Driver’s Manual Supplement
PIWIS2301as2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.100.000, .010 & .011
No. 68-232023-08-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Symptom-based workshop manual for a noise symptom - hands free quality impaired in PCM. Making telephone calls with broadband communication.
PIWIS2301ap2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.040
PIWIS2301ao2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.035
No. 2308.32023-07-06. Service bulletin. EQUIPMENT; VISIBILITY. Instructions on advanced technical information for the lightweight glass panes - cracked
No. 53-232023-07-06. Service bulletin. EQUIPMENT; STRUCTURE. Technical information for water ingress in the interior - check seam seal on front wall at front left and rework if necessary.
No. 23112023-07-06. Service bulletin. EQUIPMENT. Special tools information on an upgrade to the pushers for the VAS5237
No. 76-23-22023-07-06. Service bulletin. EQUIPMENT. Technical information for APA4 - check connection points on the body and rework if necessary.
No. 2308.12023-05-03. Service bulletin. EQUIPMENT; VISIBILITY. Instructions on advanced technical information for the lightweight glass panes cracked.
No. 23082023-05-03. Service bulletin. EQUIPMENT; VISIBILITY:GLASS, SIDE/REAR. Instructions on advanced technical information for the lightweight glass panes cracked
No. 25-222023-05-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Installation and conversion instructions involving the 911 GT3 - Manthey Performance Kit
No. 24-232023-04-07. Service bulletin. EQUIPMENT. Symptom-based workshop manual Manual Upshifting from First to Second Gear not Possible: Re-Programming PDK Control Unit
No. D4a2023-04-06. Service bulletin. EQUIPMENT. Product knowledge for the Porsche evolution from 1948-2023.
No. 25-222023-04-06. Service bulletin. EQUIPMENT. Installation and conversion instructions for the 911 GT3 Manthey Performance Kit
WNK52023-03-07. Service bulletin. EQUIPMENT. Porsche intranet posting with information on workshop campaign WNK5 - exchanging spreader device
WNK62023-03-06. Service bulletin. EQUIPMENT. Porsche intranet posting with information on workshop campaign WNK6 - exchanging spreader device
PIWIS2301k2023-03-04. Service bulletin. EQUIPMENT. Information for PIWIS tester update 41.750.045 & .046
No. 23032023-03-04. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Special tools information for the pneumatic cartridge gun.
WLM62023-02-07. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Porsche intranet posting with information on workshop campaign WLM6 - check brake lines on the front axle and replace them if necessary
No. 197-202023-02-06. Service bulletin. SERVICE BRAKES, HYDRAULIC; EQUIPMENT. Technical information for WLM6 - checking brake lines on the front axle and replace if necessary.
No. 22-212023-01-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Installation and conversion instructions for the 911 Turbo - sport design package.

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