WenmarOpen by Wenmar Pro

Service bulletins for the 2023 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.

597 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
No. 74-23-12023-08-04. Service bulletin. EQUIPMENT. Technical information for WPG4 - replacing rear wing circlips
No. 52-23-22023-08-04. Service bulletin. ELECTRICAL SYSTEM. Technical information for WPE7 - reprogramming central computer
No. 21-192023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Installation and conversion instructions for the sport exhaust system
No. 65-23-12023-08-04. Service bulletin. ELECTRICAL SYSTEM. Technical information for various fault patterns for the Porsche communication management with software version 37xx.
PIWIS2301as2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.100.000, .010 & .011
PIWIS2301ar2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester updates 42.000.050 & .051
No. 2116.22023-08-03. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the red warning instrument cluster - occupant seat belt not fastened.
PIWIS2301aq2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester update 42.000.048
No. 85-232023-08-03. Service bulletin. ELECTRICAL SYSTEM. Information for a replacement requirement for the 40 Ah lightweight starter battery
PIWIS2301ap2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.040
No. 53-23-12023-08-03. Service bulletin. ELECTRICAL SYSTEM. Information on WPE7 - reprogramming central computer for the 911 Dakar.
No. 23122023-08-03. Service bulletin. ENGINE AND ENGINE COOLING. Special tools information for a GT3 suspension alignment aids and GT4 engine removal frame.
PIWIS2301ao2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.035
No. 226-222023-07-06. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; EQUIPMENT. Technical information for WNR3 - replace fastening screws for fuel manifolds
No. 92-232023-07-06. Service bulletin. STRUCTURE; EQUIPMENT. Technical information for APA8 - recoding rear spoiler control unit
No. 03-232023-07-06. Service bulletin. EQUIPMENT. Installation and conversion instructions to the splash guards on the 911 Dakar
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.
WPD42023-06-06. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. Porsche intranet posting with information on WPD4 - stop delivery - retrofitting camera for night vision system
WPC32023-06-06. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Porsche intranet posting with information on WPC3 - workshop campaign - reprogramming rear spoiler control unit
No. 69-232023-06-06. Service bulletin. EQUIPMENT. Technical information on WPF0 - replacing rear wing circlips
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

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