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Porsche 911 Technical Service Bulletins (TSBs)

Over 29 model years the 911 has been assigned 191 TSBs . That's roughly 6.59 per year.The worst year for tsbs is the 2001 with 23. Select a model year in the graph for more details or scroll down for the most recent activity from the National Highway Traffic Safety Administration (NHTSA).

Most Service Bulletins for the 911 by Year