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What 8 owners told NHTSA about the 2015 Porsche 911 Targa 4s Heritage Edition

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (8)Crash / fire / injury (1)Electrical system (4)Engine (3)Body & structure (1)Brakes (1)Speed control (1)Transmission & drivetrain (1)Visibility & wipers (1)

1 of 8 complaints match · Speed control · clear filters

Oct 28, 2024Electrical systemSpeed controlEngine

THE PCM UNIT WHICH CONTROLS THE CARS COMPUTERS KEEPS SHUTTING ON AND OFF SAYING DO NOT DRIVE. GET SERVICE ….. THIS HAS HAPPENED ON MANY CARS AND THERE WAS A CLASS ACTION SUIT REGARDING A RECALL. IT IS NOW CLOSED AND I WAS NEVER NOTIFIED.

NHTSA ODI 11622211

Working with the data? Download all 8 complaints as CSV · fetched from NHTSA July 27, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Porsche 911 Targa 4s Heritage Edition verdict →