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
| No. 2109 | 2021-06-02. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information for Critical 12V Li-ion Battery recycling. |
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| No. 2108 | 2021-06-02. Service bulletin. ELECTRICAL SYSTEM. Advanced technical information for a lane change assist warning along with fault codes. |
| No. 52-21 | 2021-05-05. Service bulletin. ELECTRICAL SYSTEM. Information on how to deal with a potential cyber security breach. |
| No. 40-21 | 2021-05-05. Service bulletin. ELECTRICAL SYSTEM. Instructions on how to remedy a Lift system fault in the instrument cluster of the 992 generation 911. |
| PIWIS2101m | 2021-04-05. Service bulletin. ELECTRICAL SYSTEM. Information for new Porsche PIWIS tester update #40.000.035 |
| No. 06-21-2 | 2021-04-02. Service bulletin. ELECTRICAL SYSTEM. Instructions for re-programming the DME control unit in the event that there are warning messages in the instrument cluster. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.