Problems · by component
2012 Toyota Prius structure problems
28 owner complaints to NHTSA about the 2012 Toyota Prius cite structure, 4% of all 688 complaints for this model year.
Complaints
28
4% of all complaints
Crashes
12
Reported by owners
Fires
0
Reported by owners
Injuries
12
Reported by owners
What owners say about the structure
Verbatim from NHTSA complaints, newest first
“On February 27 2024 I had spend 2300 dollars on car repairs see enclosed then on April 11 2024 while backing out of my driveway, I experienced a sudden acceleration of my vehicle which led to body damage to my car yet Toyota after inspection says that now the car system works perfectly. Prior to this incident I experienced warning light and windshield wiper malfunction .”
“Weather stripping around the solar sunroof cracked and has come off in sections. This is a very common problem with this specific model, but remains low due to the low numbers the solar sunroof packages was produced. Afraid the sunroof will leak if used, so it stays inoperable in order to not damage broken seals.”
“VEHICLE IS MANUFACTURED WITHOUT ANY REGARD FOR PREVENTING MICE FROM ENTERING THE PASSENGER INTERIOR--- AIR INTAKE VENT UNDER WINDSHIELD AND 2 REAR DECOMPRESSION VENTS LOCATED IN THE REAR CARGO COMPARTMENT ABOVE THE WHEEL WELLS ARE OPEN TO THE EXTERIOR ALLOWING UNIMPEDED ACCESS TO THE INTERIOR OF THE CAR. HAD MICE IN THIS CAR 2 WEEKS AFTER PURCHASE IN 2012 AND HAVE BEEN DEALING WITH THIS PROBLEM FOR 7 YEARS. JUST RECENTLY, HAD TOYOTA INSTALL 1/4" HARDWARE CLOTH OVER THESE 3 AREAS AND THIS SHOULD HELP SIGNIFICANTLY TO PREVENT ENTRY. ALL PREVENTATIVE MEASURES TO PREVENT MICE ENTRY HAVE BEEN DILIGENTLY TAKEN BY ME, WITHOUT SUCCESS. MICE CAN MAKE A PERSON VERY SICK. THEIR EXCREMENT CARRIES HANTAVIRUS..... AND THE MICE CARRY TICKS, WHICH CAN LEAD TO LYME DISEASE. SIMPLY MANUFACTURING THE CAR WITH THESE VENTS PROPERLY SCREENED WOULD GREATLY REDUCE THE CHANCE OF OCCUPANTS CONTRACTING A SERIOUS DISEASE.THE MICE ALSO DO A LOT OF DAMAGE TO THE CAR ITSELF, IN MY CAR THE DRIVER SEAT BELT WAS CHEWED, AND I HAVE HAD TO REPLACE THE CABIN AIR FILTER SEVERAL TIMES BECAUSE OF NESTING IN THIS COMPARTMENT(AFTER HAVING BEEN UNKNOWINGLY BREATHING THE MICE EXCREMENT AS THE AIR PASSES…”
“I WAS COMING UP THE FREEWAY OFF RAMP AND MY CAR JUST TURNED OFF I HAD NO BRAKING I HIT SIX OTHER CARS ROLLED OVER AND WAS SEVERLY IMJURED IN THE HOSPITAL FORR THREE DAYS”
“THREE DIFFERENT DOOR LOCK ACTUATORS (FRONT LEFT, FRONT RIGHT, REAR LEFT) HAVE FAILED AND BEEN REPLACED. SYMPTOM IS THAT DOOR DOES NOT LOCK OR UNLOCK FROM KEY FOB OR LOCK CONTROL ON DRIVER'S ARMREST, ALSO FAILS TO LOCK AUTOMATICALLY WHEN SHIFTING INTO GEAR IF THAT OPTION IS SET. DOOR MUST BE LOCKED AND UNLOCKED MANUALLY USING THE ROCKER SWITCH IN THE INSIDE DOOR HANDLE. CLEARLY THERE WAS A BATCH OF DEFECTIVE PARTS USED DURING MANUFACTURING.”
“ON JULY 28, 2017, I WAS DRIVING ALONG WITH MY THREE CHILDREN. I PULLED INTO A DRIVEWAY TO PARK MY VEHICLE BEHIND A PARKED VEHICLE. THERE WAS APPROXIMATELY A 2 FOOT SPAN BETWEEN THE BACK OF THE VEHICLE AND THE FRONT OF MY 2012 TOYOTA PRIUS. TO THE RIGHT OF THE PARKED VEHICLE WAS A PARKED TRUCK. BEING THAT I WAS PULLING INTO A SPACE TO PARK MY VEHICLE, I WAS TRAVELING EXTREMELY SLOWLY. I BEGAN TO PRESS ON MY BRAKE TO PARK THE VEHICLE AND INSTANTLY KNEW THERE WAS A PROBLEM. UPON DEPRESSING THE BRAKE, SEVERAL LIGHTS BEGAN TO FLASH WITHIN THE DASH TO INCLUDE BUT NOT LIMITED TO THE ABS, WARNING LIGHT, AND THE LIGHT WITH VEHICLE SWERVE LINES. OTHER LIGHTS WERE ALSO FLASHING, BUT I DO NOT RECALL EACH ONE. THE BRAKE PAD INSTANTLY WENT STRAIGHT TO THE FLOOR WITH NO PRESSURE. THE VEHICLE WOULD NOT STOP AND CONTINUED TO TRAVEL FORWARD WITH ACCELERATION. TO AVOID HITTING THE VEHICLE IN FRONT OF ME I BEGAN TO TURN MY WHEEL TO THE RIGHT. THE VEHICLE CONTINUED TO ACCELERATE AND CAME INTO CONTACT WITH THE TRUCK THAT WAS TO MY FRONT-RIGHT. MY PRIUS FAILED TO SLOW OR STOP. IT CONTINUED TO ACCELERATE AND BEGAN PUSHING THE TRUCK UP THE DRIVEWAY AND INTO THE METAL GARAGE DOOR WITH…”
Showing 6 of 28 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 3, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.