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What 40 owners told NHTSA about the 2019 Porsche Cayenne S

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 (40)Crash / fire / injury (1)Airbags (11)Electrical system (10)Transmission & drivetrain (6)Brakes (5)Engine (5)Lights (5)Speed control (4)Driver assistance (3)Backup camera & sensors (2)Lane Departure (2)

2 of 40 complaints match · Lane Departure · clear filters

Apr 28, 2022Electrical systemDriver assistanceLane Departure

THERE'S AN ELECTRICAL ISSUE WITH THE VEHICLE (it is an E-Hybrid) with ERROR MESSAGES THAT RUN IN A CONTINUOUS LOOP (ACC NOT AVAILABLE, PAS RESTRICTED, DRIVING LIGHT CONTROL ERROR, HIGH BEAM ASSIST NOT AVAILABLE, LANE KEEP ASSIST RESTRICTED). THE LOCAL DEALER HAS NOT YET BEEN ABLE TO FIX THE ISSUE. CAR IS UNDER WARRANTY AND HAS BEEN IN THE SHOP FOR A MONTH. WE WERE CALLED TWO TIMES TO PICK UP A "FIXED VEHICLE" AND EACH TIME WE HAD TO RETURN THE CAR ALMOST IMMEDIATELY UPON LEAVING THE DEALERSHIP SINCE THE PROBLEM WAS NOT FIXED. I'VE CONTACTED PORSCHE CUSTOMER SERVICE BUT AS OF YET THERE IS NO RESOLUTION. IT IS VERY CONCERNING SINCE SOME OF THESE ERROR MESSAGES DO AFFECT VEHICLE SAFETY.

NHTSA ODI 11462580

Feb 9, 2022Lane Departure

The contact owns a 2019 Porsche Cayenne. The contact stated that while operating the vehicle the blind spot monitoring system was inoperable and the message "blind spot monitoring not available" was displayed. The vehicle was taken to several different dealers who confirmed the failure was present but indicated that the failure could not be fixed. No further information was available. The manufacturer was also notified of the failure. The failure mileage was 60,000.

NHTSA ODI 11451133

Working with the data? Download all 40 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 2019 Porsche Cayenne S verdict →