Service bulletins for the 1983 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.
63 on file from NHTSA, as of 2026-10-19.
By type
By component
| No. 2404 | 2024-04-03. Service bulletin. POWER TRAIN; EQUIPMENT. Special tools and equipment information for the Boxster, Cayman, 911, and Panamera |
|---|---|
| No. D8 | 2024-03-04. Service bulletin. UNKNOWN OR OTHER. Product knowledge for the chassis and VIN numbering systems |
| PIWIS2302s | 2023-12-08. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.300.050 & .052 |
| PIWIS2302r | 2023-12-07. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.300.040 & .041 |
| PIWIS2302q | 2023-12-07. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.300.035 |
| PIWIS2302p | 2023-12-07. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.300.030 - .032 |
| No. D654 | 2023-12-07. Service bulletin. EQUIPMENT. Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY |
| PIWIS2302h | 2023-11-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Special tools and equipment information on PIWIS tester update 42.250.050 |
| PIWIS2302g | 2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.045 |
| PIWIS2302f | 2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.042 |
| PIWIS2302e | 2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information PIWIS tester update 42.250.040 |
| PIWIS2302d | 2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.032 |
| PIWIS2302C | 2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.250.030 |
| PIWIS2302b | 2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.025 |
| PIWIS2302a | 2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.020 & .022 |
| No. 2314 | 2023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for all Porsche models. Diagnostic equipment standards. |
| PIWIS2301az | 2023-10-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on PIWIS tester update 42.200.000 – 42.200.012 |
| No. 2313 | 2023-10-05. Service bulletin. ELECTRICAL SYSTEM. Special tools and equipment information for the Pico Oscilloscope Extended Functionality |
| No. D5 | 2023-09-09. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. Parts information for parts withdrawal on the locks made to original key code |
| No. 14-23 | 2023-08-04. Service bulletin. ENGINE AND ENGINE COOLING. Manufacturers certificate for allocation of approved engine oils |
| PIWIS2301as | 2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.100.000, .010 & .011 |
| PIWIS2301ar | 2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester updates 42.000.050 & .051 |
| PIWIS2301aq | 2023-08-03. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester update 42.000.048 |
| PIWIS2301ap | 2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.040 |
| PIWIS2301ao | 2023-08-03. Service bulletin. EQUIPMENT. Information for PIWIS tester update 42.000.035 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.