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
| No. 119-21-4 | 2021-10-06. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Porsche Workshop campaign repair instructions for Workshop Campaign WMG0 – Retrofitting Tire Pressure Monitoring (TPM) Control Unit. |
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| No. 38-14 | 2021-10-06. Service bulletin. EQUIPMENT. Installation and conversion instructions for retrofitting a bicycle rack on a variety of vehicles. |
| No. 2113.1 | 2021-10-06. Service bulletin. ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS; UNKNOWN OR OTHER. Special Tools information for Deutronic Signal Lamps. |
| No. 1904.2 | 2021-10-06. Service bulletin. EQUIPMENT. Information on new special tool requirements for all vehicles. |
| No. 55-21 | 2021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Allocation of approved engine oils per model for all models MY21 and newer. |
| No. 56-21-2 | 2021-09-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. List of approved C20 engine oils for all Porsche models MY21 and newer. |
| No. 57-21 | 2021-09-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. List of approved C30 engine oils for all Porsche models MY21 and newer. |
| No. 58-21 | 2021-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. List of approved C40 engine oils for all Porsche models MY21 and newer. |
| No. 2114 | 2021-09-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Special tools information for a 12V Power Supply for PT3G Oscilloscope. |
| No. 1836.1 | 2021-09-02. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. New Special tools information for a Schumacher 100 Amp Reprogrammer / Power Supply with Battery Support. |
| No. 1904.1 | 2021-09-02. Service bulletin. EQUIPMENT. Special tools information for new VAS 5908 Requirements. |
| No. 2113 | 2021-09-02. Service bulletin. ELECTRICAL SYSTEM. Special tools information for new Deutronic Signal Lamps. |
| No. 2112 | 2021-09-02. Service bulletin. EQUIPMENT. Special tools information on new Redline Dual Purpose Diagnostic Leak Locator. |
| No. 42-21-1 | 2021-09-02. Service bulletin. STRUCTURE; STRUCTURE:BODY:DOOR. Instructions for correcting a creaking sound when opening the door handle. |
| No. 20-14 | 2021-09-02. Service bulletin. EQUIPMENT. Installation instructions for retrofitting a roof box on a variety of Porsche models. |
| No. 2118 | 2021-09-02. Service bulletin. ENGINE AND ENGINE COOLING. Advanced technical information for an upper oil pan seal housing leak on the 992 generation 911. |
| WMD5 | 2021-08-04. Service bulletin. EQUIPMENT; STRUCTURE:INTERIOR PANELS:DASHBOARD. Porsche intranet posting with preliminary information on Workshop campaign WMD5 - Replacing dashboard loudspeaker cover |
| WMF8 | 2021-08-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Porsche intranet posting with preliminary information on Workshop campaign WMF8 - Supply Remote Control. |
| No. 54-21 | 2021-08-04. Service bulletin. TIRES; WHEELS. List of approved wheels and tires for the 992 GT3. |
| No. 51-21 | 2021-08-04. Service bulletin. TIRES; WHEELS. List of approved wheels and tires for the 992 generation 911. |
| No. 62-21 | 2021-08-04. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT; TIRES; WHEELS. Porsche service campaign information for Workshop Campaign WMD2 - Teach Tire Pressure Monitoring (TPM) System Using the PIWIS Tester. |
| No. 102-21 | 2021-08-04. Service bulletin. SEATS. Porsche recall campaign information for Recall Campaign AMB3 – Replacing Seat Occupancy Detection System for Passenger Seat. |
| No. 71-21 | 2021-08-04. Service bulletin. EQUIPMENT. Porsche service campaign information for Workshop Campaign WMD5 - Replacing Dashboard Loudspeaker Cover. |
| No. 77-21 | 2021-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Instructions for what to do if there are complaints or issues with vehicles shortly after charging or removing and installing spark plugs. |
| No. 2116 | 2021-08-04. Service bulletin. SEAT BELTS. Advanced technical information for a red warning light in the instrument cluster for the seat belt not fastened. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.