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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. 23112023-07-06. Service bulletin. EQUIPMENT. Special tools information on an upgrade to the pushers for the VAS5237
No. 13-23-22023-07-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Technical information for WPA6 - replacing engine data adhesive label.
No. 2229.72023-07-06. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the conbox draw discharges 12v battery.
No. 76-23-22023-07-06. Service bulletin. EQUIPMENT. Technical information for APA4 - check connection points on the body and rework if necessary.
No. 27-23-22023-06-06. Service bulletin. POWER TRAIN. Symptom based workshop manual for the power transmission symptom - 7th gear cannot be engaged: checking locking piece
No. 27-23-12023-06-06. Service bulletin. POWER TRAIN. Symptom based workshop manual for the power transmission symptom - 7th gear cannot be engaged: checking locking piece
No. 103-202023-06-06. Service bulletin. ELECTRICAL SYSTEM. Technical information for a complaint - selector lever button lighting not functioning at times
No. 23112023-06-06. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Instructions on advanced technical information for the 992 GT3 - DME fault/fuel low pressure
No. 2308.22023-06-05. Service bulletin. VISIBILITY. Instructions on advanced technical information - lightweight glass panes cracked. Identification and possible causes
APA2 (911)2023-05-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on APA2 reprogramming or recoding instrument cluster
No. 2308.12023-05-03. Service bulletin. EQUIPMENT; VISIBILITY. Instructions on advanced technical information for the lightweight glass panes cracked.
No. 24-232023-05-03. Service bulletin. POWER TRAIN. Symptom-Based workshop manual for the power transmission - manual upshifting from first to second gear is not possible. reprogramming PDK control unit.
No. 2226.12023-05-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Macan, Cayenne, and 911 - restarts unexpectedly - software fix temporarily unavailable.
No. 2224.12023-05-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the Macan, Cayenne, and 911 - Porsche innodrive software temporarily unavailable
No. 2229.62023-05-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for Cayenne and 911 conbox current draw discharges 12v battery
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. 14-212023-05-03. Service bulletin. WHEELS. Installation and conversion instructions for the wheel system
No. 40-23-12023-05-03. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Technical information on APA2. Reprogramming/coding instrument cluster
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. 31-202023-04-07. Service bulletin. ELECTRICAL SYSTEM. Technical information for the diagnosis and handling of 12v lithium ion battery
No. 08-232023-04-06. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Technical information on fault memory entry P081000, in the transmission electronics control unit
No. 02-232023-04-06. Service bulletin. ENGINE AND ENGINE COOLING. Technical information for a warning message - "engine control system malfunction" in conjunction with error memory entry P04F000 in DME 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

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