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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: Electrical system are shown. Show all

Bulletins, newest first
No. 12-132024-04-03. Service bulletin. ELECTRICAL SYSTEM. Technical information for the vehicle analysis log (VAL) - evaluating overspeed events
No. 2109.22024-04-02. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for critical 12v li-ion battery recycling.
No. 24072024-04-02. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. Instructions on advanced technical information for the surround view camera intermittent operation.
No. 10-052024-04-02. Service bulletin. ELECTRICAL SYSTEM. Technical information for the PCM2.1 and navigation unit. System connection software release.
No. 24082024-03-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM. Instructions on advanced technical information for the ignition lock error - B143C29
No. 2229.112024-03-05. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Instructions on advanced technical information for the Cayenne and 911 - conbox current draw discharges 12v battery
PIWIS2401j2024-03-04. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. Information for PIWIS tester update 42.500.020
No. 31-202024-03-04. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Technical information for a diagnosis and handling of 12 volt lithium ion battery
No. 8-192024-02-07. Service bulletin. ELECTRICAL SYSTEM. Installation and conversion instructions for the 911 - projector UD1
No. 19-202024-02-07. Service bulletin. ELECTRICAL SYSTEM. Installation and conversion instructions for the PCM - nav update
No. 171-232023-12-07. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Technical information for APB3 - recoding airbag control unit
No. 23302023-11-08. Service bulletin. ELECTRICAL SYSTEM. Instructions on advanced technical information for the permanent diagnostic trouble codes
No. 180-212023-11-08. Service bulletin. ELECTRICAL SYSTEM. Technical information on WMM7 - replacing VTS control unit
WPH42023-10-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on recoding control unit for assistance systems - WPH4
WPJ62023-10-05. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on WPJ6 - recode loudspeaker amplifier.
No. 102-232023-10-05. Service bulletin. ELECTRICAL SYSTEM. Technical information for WPJ6 - recoding loudspeaker amplifier
No. 23142023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for all Porsche models. Diagnostic equipment standards.
No. 23132023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for the Pico Oscilloscope Extended Functionality
No. 2229.92023-09-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. Information on advanced technical information for the Cayenne and 911 - conbox current draw discharges 12v battery
No. 2117.12023-09-09. Service bulletin. ELECTRICAL SYSTEM; COMMUNICATION:MANUFACTURER TELEMATICS. Information on advanced technical information for the connect registration and pairing PDI tips.
No. 40-212023-09-09. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Technical information for a warning message that states "lift system fault' on instrument cluster.
No. 31-202023-09-08. Service bulletin. ELECTRICAL SYSTEM. Technical information for diagnosis and handling of the 12 volt lithium-ion battery
WPG32023-08-07. Service bulletin. ELECTRICAL SYSTEM. Porsche intranet posting with information on WPG3 workshop campaign - Re-programming instrument cluster
No. 2224.22023-08-03. Service bulletin. ELECTRICAL SYSTEM. Instructions for advanced technical information for the PCM and Porsche innodrive software temporarily unavailable
No. 74-23-22023-08-03. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. Technical information for WPG3 - reprogramming instrument cluster

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