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What 5 owners told NHTSA about the 2012 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 (5)Crash / fire / injury (1)Body & structure (1)Electrical system (1)Engine (1)Fuel system (1)Lights (1)Speed control (1)Transmission & drivetrain (1)

1 of 5 complaints match · Transmission & drivetrain · clear filters

Jul 8, 2023Transmission & drivetrainSpeed control

Cruising on the highway and a transmission error comes up saying that there's no reverse gear. Got off the highway and even gears aren't engaring, no 2,4,6 gears. 1,3,5,7 gears are engaging. Turned off and parked the car for about an hour. Turned it on car drove fine but start/stop wasn't available and sport modes are not available. Had the car diagnosed at the dealer and the same symptoms and codes are exactly as SB-10054511-7606. The 2012 model year needs to be included.

NHTSA ODI 11531070

Working with the data? Download all 5 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 2012 Porsche 911 Targa 4s Heritage Edition verdict →