*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Air bags › Frontal › Driver clockspring/spiral cassette
The contact owns a 2015 Scion TC. The contact stated that the air bag warning light remained continuously illuminated while operating the vehicle. The contact stated that when the air bag warning light was illuminated, the horn was inoperable. The vehicle was not diagnosed or repaired. However, an independent mechanic informed the contact that the failure might be associated with an inoperable clockspring. The manufacturer was not notified of the failure. The approximate failure mileage was 130,000.
Feb 25, 2026 · 130,000 milesPower train
Whining noise is heard when the clutch petal is released. Noise is coming from the input shaft bearing. Common failure on this model. Mechanic confirmed that is the issue. If the bearing completely fails could leave the car stranded and cause more damage to other transmission components. No warning lights but noise is very loud.
Nov 16, 2022Electrical system
Over the past 4-5 years, 2015 scion tc has had numerous electrical issues. Both driver and passenger electric door locks do not work. Head and tail lamp lights burn out frequently. Seems like a grounding issue? Car failed to start August 2021 due to electrical problems. 3rd party mechanic fixed the issue. Toyota Dealer-installed automatic start fails multiple times before starting car. Basic electrical mechanisms for a car made in 2015 should not be broken/failing. 2019 Air Conditioner wouldn't drain. Had to investigate and personally drain the tubes behind the passenger and driver side-pannels behind center counsel. The entire draining system for the cars air conditioner had clogged. 2015…
Aug 1, 2017Suspension
Rear suspension components were loose on vehicle. My car was purchased with rear trd coilovers installed at factory. Suspension components were improperly tightened according to Toyota dealership who serviced my vehicle. Purchased car stock and never had suspension work done in the past. This is similar to NHTSA campaign 15v228000 recall on same car year/manufacturer/model/edition (2015 Scion tC release series 9.0) but my VIN was not part of the 114 out of the 2000 cars sold.
Jul 11, 2021Visibility › Sun/moon roof assembly
TL* THE CONTACT OWNS A 2015 SCION TC. THE CONTACT STATED THAT WHILE PARKED AND SEATED IN THE VEHICLE, THE CONTACT HEARD AN ABNORMAL SOUND LIKE A SHATTERED GLASS. THE CONTACT EXITED THE VEHICLE AND BECAME AWARE THAT THE CENTER SUN ROOF GLASS HAD SHATTERED. THE CONTACT STATED THAT THE SUN ROOF HAD SHATTERED WITHOUT IMPACT OR INCIDENCE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 85,000.
Apr 16, 2021 · 85,000 milesElectrical system
TRANSMISSION DOES A HARSH/JERK DOWNSHIFT WHEN COMING TO A STOP. IT DOES IT RANDOMLY, USUALLY WHEN COMING TO A STOP SLOWLY. IT'S NOT SAFE, FEELS LIKE THE CAR LURCHES INTO 1ST. TOYOTA RESET THE COMPUTER AND IT WAS OK FOR A BIT BUT CAME BACK. I'M THINKING IT'S THE SOFTWARE OF THE CAR. TOYOTA SAID IT'S A LEARNING TRANSMISSION, BUT SOMETHINGS WRONG. IT'S SCARY TO DRIVE IN TRAFFIC, AND ONLY HAVE 33K MILES. THE TRANSMISSION FLUID WAS CHANGE BY TOYOTA LAST YEAR WITH THE WS AND IT HAS NOT FIXED THIS ISSUE. I'M WORRIED THE CAR MAY STALL IN STOP AND GO OR LURCH SO HARD FIRM THE 2-1 DOWNSHIFT THAT I MIGHT HIT THE CAR IN FRONT OF ME AND CAUSE AN ACCIDENT.
Mar 3, 2021 · 33,999 milesPower train
TRANSMISSION JERKS WHEN SLOWING DOWN TO A STOP, 50/50, IT SEEMS TO BE DOING A HARD DOWNSHIFT 2-1 BEFORE THE STOP. IT'S SCARY AND FEELS LIKE YOU GOT REAR ENDED. THERE IS ALSO A CLICK NOISE WHEN THE DOWNSHIFT HAPPENS. TOOK IT TO TOYOTA AND HAD A TRANSMISSION DRAIN AND FILL, WHICH THEY SAID THE FLUID WAS AS CLEAN AND THE COMPUTER HAS NO STORE CODES. THE RESET THE TRANSMISSION CONTROL MODULE AND THE ISSUE HAS RETURNED, IT SHOULDN'T HAVE THESE ISSUES AT 19K MILES! ALSO THE TRANSMISSION HESITATES GOING INTO TRAFFIC, WHICH CAN CAUSE AN ACCIDENT BECAUSE IT SEEMS LIKE IT DOESN'T KNOW WHAT GEAR TO BE IN. I WISH TOYOTA WOULD READ THE OTHER PEOPLE'S COMMENTS WHO HAD THE SAME ISSUES WITH THIS U760E…
Feb 28, 2021 · 19,345 milesAir bagsCrash
I WAS DRIVING ON THE FREEWAY ON MONDAY DEC 28 HEADING TO WORK IT WAS RAINING HARD AND WAS DRIVING AT THE SAME SPEED AS EVERYONE ELSE IN THE FREEWAY OUT OF NOWHERE MY STEERING TOOK OVER CONTROL AND I SPINNED AROUND HITTING THE CARPOOL LANE DIVIDER AND WAS TOSSED TO THE 4TH LANE AFTERWARDS. AT THAT MOMENT I WAS IN FRONT OF A SEMI TRUCK AND COULDN'T BRAKE IN TIME AND HIT ME SENDING ME BACK TO THE CARPOOL LANE ANY TIME OF THOSE HITS MY AIR BAGS NEVER TURNED ON.
Dec 28, 2020 · 56,000 miles
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.