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What 28 owners told NHTSA about the 2012 Porsche Cayenne Turbo

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 (28)Transmission & drivetrain (13)Engine (4)Airbags (2)Electrical system (2)Seats (2)Brakes (1)Electronic Stability Control (esc) (1)Equipment Adaptive/mobility (1)Fuel system (1)Speed control (1)

2 of 28 complaints match · Electrical system · clear filters

Jun 3, 2019Electrical systemElectronic Stability Control (esc)Fuel system

HYBRID DEFAULT MULTIPLE TIMES IN PAST YEARS ELECTRICAL SYSTEM? FAULT GENERATOR CHECK ENGINE LIGHT

NHTSA ODI 11217457

Mar 13, 2017Electrical system

GPS MALFUNCTION WHILE DRIVING , SERVICE TEST NO ERROR CODE BUT VISIBLE GPS MALFUNCTION ! MANUFACTURE CAN'T IDENTIFY THE PROBLEM SUGGEST TO REPLACE THE NEW PCM. IT IS VERY DANGEROUS FOR DRIVER TO BELIEVE ON THE GPS WHILE DRIVING ON IT. IT IS DESIGN FRAUD AND CARELESS OF SERVICE WHEN THE DEVICE IS MALFUNCTION AND SYSTEM CAN'T DETECT IT. CUSTOMER HAS PICTURES AND VIDEOS SUPPORT THE CLAIM. VIDEO LINK: HTTPS://DRIVE.GOOGLE.COM/OPEN?ID=0B1W2Q8JZJUB7RGZSBHNTQ0O1S1K

NHTSA ODI 10960415

Working with the data? Download all 28 complaints as CSV · fetched from NHTSA July 21, 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 Cayenne Turbo verdict →