Service bulletins for the 2017 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.
578 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Transmission control module are shown. Show all
| WMD1 | 2021-06-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Porsche intranet posting with preliminary information for Porsche workshop campaign WMD1 Workshop Campaign -PCM Software Update. |
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| No. 2020 | 2020-10-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Information on new special tool for offline updates of the PCM Versions 4 and 5. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.