Problems · NHTSA complaints
2013 Scion Iq problems
Owners filed 5 complaints about the 2013 Scion Iq with NHTSA between Mar 2014 and Oct 2020. The most-cited component is engine (5).
Complaints
5
Filed with NHTSA
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
1
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Engine5
- Steering1
- Air bags1
- Structure1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 12, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
0
0
0
1
2
1
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2014 | 1 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Engine
5 reports1 crash
“ROUGH IDLE AND ENGINE SHUTTING OFF WHILE DRIVING. VEHICLE IS AT TOYOTA DEALER AND DIAGNOSTIC HAS BEEN PERFORMED. DEALER HAS DETERMINED THE CAUSE TO BE INTERNAL CARBON DEPOSIT IN THE COMBUSTION CHAMBERS. TOYOTA IS REFUSING TO COVER THE REPAIR IN THEIR WARRANTY ENHANCEMENT PROGRAM ZG8 BECAUSE MY VIN WASN'T PART OF THE ORIGINAL CREATION FOR THE PROGRAM ZG8. THIS IS AN EXTREMELY DANGEROUS ISSUE DUE TO THE FACT THAT MY ENGINE IS UNEXPECTEDLY SHUTTING OFF WHILE DRIVING. MY VEHICLE ONLY HAS 41063 MILES ON THE ENGINE AND UNFORTUNATELY FOR ME THE 5 YEARS OR 60,000 MILES NEW VEHILE LIMITED WARRANTY HAS PASSED THE 5 YEAR MARK. THE TOYOTA MECHANICS WILL BE FOLLOWING THE TOYOTA SERVICE BULLETIN: 0008-16 IN MAKING THE REPAIRS EVEN THOUGH TOYOTA REFUSES TO ACKNOWLEDGE MY VIN IN THEIR WARRANTY ENHANCEMENT PROGRAM. I'M FORCED TO PAY $1761.75 OUT OF MY POCKET FOR THEIR ENGINE FLAW. I'M SO DISAPPOINTED WITH TOYOTA, THE WHOLE REASON I PURCHASED THIS VEHICLE WAS BECAUSE I BELIEVED TOYOTA CARED ABOUT THEIR CUSTOMERS AND THAT THEY MADE A DEPENDABLE VEHICLE, APPARENTLY I'VE BEEN MISLED BY TOYOTA.”
Steering
1 report1 crash
“(SEE SEATTLE POLICE) INC.# [XXX]) I WAS CROSSING DEXTER AVE. N. TO MAKE A LEFT TURN AT CROCKETT ST. IMMEDIATELY I STRUCK A FORD EXPLORER GOING N/B ON DEXTER WHICH HAD JUST PULLED FROM THE CURB ABOUT 100' AWAY. MY CAR SUSTAINED FRONT END DAMAGE AND WAS DECLARED A TOTAL WRECK. THE RIGHT FRONT OF THE EXPLORER SUSTAINED UNKNOWN DAMAGE WHICH WAS REPAIRED. I SUSTAINED FOUR BROKEN RIBS AND CHEST INJURIES (HOSPITAL COSTS $18K+. CONCERNED ABOUT SAFETY, I PURCHASED THE SMALL CAR PRIMARILY BECAUSE I WAS TOLD IT HAD 11 AIR BAGS AND WOULD BE SAFE IN AN ACCIDENT. NO AIRBAGS DEPLOYED IN THE ACCIDENT. MY INJURIES WERE SUSTAINED FROM THE STEERING WHEEL. I THINK THE CAR WAS POORLY BUILT AND I WAS MISINFORMED ABOUT THE SAFETY OF MY CAR. IN MY ESTIMATION THE WHO VEHICLES INVOLVED IN THE ACCIDENT TRAVELED A COMBINED DISTANCE OF ONLY 100-150 FEET BEFORE IMPACT. TOYOTA HAS SENT ME A COPY OF THE DATA DOWNLOAD FROM THE IQ, BUT, NOT BEING AN ENGINEER, I DON'T UNDERSTAND IT. *TR”
Air bags
1 report1 crash1 related recall
Structure
1 report1 crash
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 12, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.