There are 4 owner-reported electrical system complaints for the 2014 Scion tCin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
ON SEVERAL OCCASIONS THE HOUSING AROUND THE AIR CONDITIONER FILLS WITH WATER FROM CONDENSATION, THE DRAINAGE TUBE IS NARROW AND CLOGS, WHICH CAUSES THE WATER TO DRIP OUT OF THE HOUSING AND INTO THE PASSENGER SIDE INTERIOR WHERE IT SWAMPS THE CARPETING FROM FRONT TO BACK. I KNOW AC NORMALLY DOES NOT QUALIFY AS A SAFETY CONCERN BUT TO MY UNDERSTANDING THERE IS ELECTRIC WIRING THAT RUNS UNDER THE CARPET THAT IS CERTAINLY NOT DESIGNED TO BE UNDER AN INCH OF WATER AND THEN THERE IS THE POTENTIAL FOR HARMFUL MOLD TO DEVELOP FROM THE WET CARPET. THE DEALER WILL CHARGE TO CLEAR THE CLOG BUT THEY HAVE SINCE TOLD ME THERE IS A PERMANENT FIX (AN AC CASING WITH BETTER DRAINAGE) WHICH COSTS MORE THAN $2000 TO INSTALL. A SIMPLE SEARCH ON THE INTERNET SHOWS TOYOTA HAS BEEN IGNORING THIS DESIGN FLAW AND THIS PROBLEM SINCE THE MODEL REDESIGN IN 2011. THEY HAD PLENTY OF TIME TO ADDRESS THIS ISSUE WHICH CAN EFFECT THE HEALTH AND SAFETY OF THE OCCUPANTS. I KNOW A NARROW TUBE DRAIN LINE SEEMS LIKE A MINOR THING BUT THIS DOES NOT SEEM TO HAPPEN IN MOST CARS. WHILE IT HAS BEEN A CONCERN FOR SCION TC OWNERS SINCE 2011. I DRIVE A 2014. THERE WAS PLENTY OF TIME FOR TOYOTA TO OFFER A BETTER CASING OR A SOLUTION TO THIS PROBLEM OVER THE YEARS. I HAVE REACHED OUT TO TOYOTA AND THEY REFUSE TO DO ANYTHING SINCE MY CAR IS NOW OUT OF WARRANTY DESPITE THAT MY CAR WAS IN FOR THIS TEMPORARY REPAIR SEVERAL TIMES WHILE IT WAS UNDER WARRANTY AND THEY NEVER OFFERED THE PERMANENT FIX UNTIL NOW.
AFTER HAVING THE VEHICLE FOR ABOUT 6 MONTHS, FIRST, THE PASSENGER DOOR BEGAN TO INTERMITTENTLY RESPOND TO LOCKING/UNLOCKING COMMANDS. NEITHER THE KEY FOB NOR THE SWITCH IN THE VEHICLE WOULD WORK, AND EVENTUALLY THE DOOR LOCK HAD TO BE MANUALLY OPERATED. A FEW WEEKS LATER, THE DRIVER SIDE DOOR BEGAN HAVING THE SAME ISSUES. THE VEHICLE HAS NOT BEEN INVOLVED IN ANY CRASHES ACCORDING TO ONLINE DATABASES. NO DAMAGE TO EITHER DOOR HAS OCCURRED THAT COULD COMPROMISE ANY ELECTRICAL MECHANISM WITH EXPOSURE TO THE ELEMENTS. A FRIEND HAD THE SAME PROBLEM WITH HIS 2007 TOYOTA 4RUNNER AND WAS TOLD THE DOOR LOCK ACTUATORS ARE KNOWN TO FAIL IN CERTAIN YEAR VEHICLES MADE BY TOYOTA. I AM PRETTY SURE THIS IS THE ISSUE WITH MY 2014 SCION TC NOW. I CAN UNDERSTAND THE PART FAILING ON HIS VEHICLE SINCE IT WAS ABOUT TEN YEARS OLD AT THE TIME, HOWEVER MY CAR IS ONLY 4-5 YEARS OLD. THE KEYLESS ENTRY SYSTEM ON MY SCION CURRENTLY ONLY OPERATES THE REAR HATCH, FOR NOW. I AM ONLY ABLE TO SECURE MY VEHICLE IF I MANUALLY LOCK BOTH DOORS, AND THEN PRESS LOCK ON THE KEY FOB TO ARM THE ANTI-THEFT SYSTEM. I CANNOT ACCESS THE PASSENGER SIDE DOOR WITH THE KEY AS THERE IS NO KEY HOLE PROVIDED ON THAT SIDE. IF SO MANY OF TOYOTA'S DOOR ACTUATORS ARE FAILING LIKE THIS, THEY SHOULD RECALL AND REPLACE THE POORLY MANUFACTURED VERSIONS THEY INSTALLED ON THE VEHICLES SINCE THE PARTS ARE SO EXPENSIVE NOT TO MENTION LABOR. MY FRIEND ENDED UP TRADING HIS 4RUNNER AND LEFT THE TOYOTA BRAND ALTOGETHER. I HAVE ALWAYS PREFERRED TOYOTA AND ACTUALLY ENCOURAGED HIM TO BUY ONE AS WELL. HOWEVER, I AM HAVING A DIFFICULT TIME CONVINCING MYSELF FROM TAKING THE SAME ROUTE AS HIM.
TL* THE CONTACT OWNS A 2014 SCION TC. WHILE DRIVING VARIOUS SPEEDS, THE "MAINTENANCE REQUIRED" AND ENGINE WARNING INDICATORS ILLUMINATED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO TOYOTA MOMENTUM IN FAIRFIELD, CALIFORNIA WHERE IT WAS DETERMINED THAT RODENTS HAD DESTROYED THE WIRING HARNESS IN THE VEHICLE DUE TO THE SOY BASED CONSTRUCTION OF THE WIRES. THE WIRING HARNESS WAS REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND STATED THAT THERE WAS NO RECALL ON THE VEHICLE. THE FAILURE MILEAGE WAS APPROXIMATELY 51,000. THE VIN WAS NOT AVAILABLE. *TT
WAS COMMUTING BACK TO WORK FROM LUNCH BREAK WHEN OUT OF NOWHERE I LOST CONTROL OF STEERING AND BRAKING OF MY VEHICLE CRASHING INTO A STONE WALL BEFORE I COULD PULL MY EMERGENCY BREAK AFTER THE VEHICLE COULD NOT SLOW DOWN ON A CITY STREET IN MOTION
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026