SCION IA · model year

2016 SCION IA

39 NHTSA complaints, 8 crash reports for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2016SCIONIA carries 39 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 8 crashes, 0 fires, 5 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2016 IA is engine with 8 filings, followed by electrical system (7) and air bags (6). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 1 investigation file overlapping the 2016 IA. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

39
Complaints
8
Crashes
0
Fires
5
Injuries
0
Deaths

Total Complaints

39 filings

Crashes Reported

8 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
ENGINE8
ELECTRICAL SYSTEM7
AIR BAGS6
POWER TRAIN5
SERVICE BRAKES4
UNKNOWN OR OTHER3
VEHICLE SPEED CONTROL3
WHEELS1
STRUCTURE:BODY1
STEERING1

Recent Complaints

20220828ELECTRICAL SYSTEM

Very poorly wired and wires are spliced together which I a fire hazard

20220828STEERING

Very poorly wired and wires are spliced together which I a fire hazard

20220114ENGINE

Was getting off work. Started car and Engine system malfunction light, DSC malfunction light, TPMS System Malfunction light, Auto transmission malfunction light, and SCBS malfunction light all turned on. Car was not currently in motion when lights went on. Was in parking lot. Turned car off, and restarted, lights remained on. Drove vehicle 6.8 miles home, car was in limp mode. When at home used OBD2 scan tool and got codes P0847 C1031 U0401 B13D3 Cleared codes and unplugged 12 volt battery to reset system. Only engine system malfunction light remained. Parked car overnight and went to dealership next morning. Car drove on highway and car seemed fine. Dealership scan car and received code P0847, tech cleared code and test drove car. Problem can not be reproduced.

20220114POWER TRAIN

Was getting off work. Started car and Engine system malfunction light, DSC malfunction light, TPMS System Malfunction light, Auto transmission malfunction light, and SCBS malfunction light all turned on. Car was not currently in motion when lights went on. Was in parking lot. Turned car off, and restarted, lights remained on. Drove vehicle 6.8 miles home, car was in limp mode. When at home used OBD2 scan tool and got codes P0847 C1031 U0401 B13D3 Cleared codes and unplugged 12 volt battery to reset system. Only engine system malfunction light remained. Parked car overnight and went to dealership next morning. Car drove on highway and car seemed fine. Dealership scan car and received code P0847, tech cleared code and test drove car. Problem can not be reproduced.

20220114ELECTRICAL SYSTEM

Was getting off work. Started car and Engine system malfunction light, DSC malfunction light, TPMS System Malfunction light, Auto transmission malfunction light, and SCBS malfunction light all turned on. Car was not currently in motion when lights went on. Was in parking lot. Turned car off, and restarted, lights remained on. Drove vehicle 6.8 miles home, car was in limp mode. When at home used OBD2 scan tool and got codes P0847 C1031 U0401 B13D3 Cleared codes and unplugged 12 volt battery to reset system. Only engine system malfunction light remained. Parked car overnight and went to dealership next morning. Car drove on highway and car seemed fine. Dealership scan car and received code P0847, tech cleared code and test drove car. Problem can not be reproduced.

20200910CrashAIR BAGS

TL* THE CONTACT OWNS A 2015 SCION IA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THEY CRASHED INTO A WILD HORSE. THE CONTACT STATED THAT NO AIR BAGS DEPLOYED. THE VEHICLE WAS TOWED AND A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED NO INJURIES AND NO MEDICAL ATTENTION WAS NEEDED. THE CONTACT HAD NOT CONTACTED THE DEALER. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE; HOWEVER, THE CONTACT HAD NOT HEARD FROM THEM AS OF YET. THE APPROXIMATE FAILURE MILEAGE WAS UNKNOWN.

20200828ELECTRICAL SYSTEM

MY CAR HAS UNDER 60,000 MILES, I BOUGHT IT WITH ABOUT 28,000 ON IT AND IT HAS HAD INTERMITTENT ISSUES WITH THE DISPLAY. I WENT TO DEALERSHIP, WHO SAID THE WHOLE INFOTAINMENT SYSTEM NEEDS REPLACED, WHICH IS ABOUT $1200 WITH PARTS AND LABOR. IT HAS BEEN DOING THIS WITH LESS THAN 30,000 MILES ON THE CAR AND HAS GOTTEN WORSE. IT CAUSES THE DISPLAY TO GO IN AND OUT, WHICH HAPPENS ALSO WITH THE BACKUP CAMERA.

20200302ENGINE

THE VEHICLE WILL INTERMITTENTLY SHUT ITSELF OFF IN THE ROAD FOR NO APPARENT REASON. THE CHECK ENGINE LIGHT AND BATTERY LIGHT WILL DISPLAY ON THE DASH. HOWEVER, WHEN I PUT THE CAR BACK IN PARK AND RESTART THE ENGINE THERE ARE NO INDICATOR LIGHTS ON AND NO CHECK ENGINE LIGHT WHATSOEVER. THIS CAR HAS BEEN LOOKED AT BY 3 CERTIFIED TOYOTA DEALERS AND NONE OF THE MECHANICS CAN ACCURATELY PINPOINT THE ISSUE. I AM CONCERNED THIS CAR WILL SHUT ITSELF DOWN IN THE MIDDLE OF THE HIGHWAY AND CAUSE A COLLISION. WORST EXPERIENCE WITH A CAR I'VE EVER HAD. SURPRISINGLY NEWER MODEL VEHICLE AND THIS DIFFICULT TO DIAGNOSE. THE CAR MAINLY SPUTTERS AND STALLS AT IDLE OR LOW SPEEDS. WE HAVE TRIED NUMEROUS TIMES TO GET AN ACCURATE DIAGNOSES. NOTHING LEFT TO DO AT THIS POINT EXCEPT REPLACE THE CAR. I FEELS IT IS A DANGER TO MYSELF AND OTHERS ON THE ROAD.

Mileage: 126,000

20200302UNKNOWN OR OTHER

THE VEHICLE WILL INTERMITTENTLY SHUT ITSELF OFF IN THE ROAD FOR NO APPARENT REASON. THE CHECK ENGINE LIGHT AND BATTERY LIGHT WILL DISPLAY ON THE DASH. HOWEVER, WHEN I PUT THE CAR BACK IN PARK AND RESTART THE ENGINE THERE ARE NO INDICATOR LIGHTS ON AND NO CHECK ENGINE LIGHT WHATSOEVER. THIS CAR HAS BEEN LOOKED AT BY 3 CERTIFIED TOYOTA DEALERS AND NONE OF THE MECHANICS CAN ACCURATELY PINPOINT THE ISSUE. I AM CONCERNED THIS CAR WILL SHUT ITSELF DOWN IN THE MIDDLE OF THE HIGHWAY AND CAUSE A COLLISION. WORST EXPERIENCE WITH A CAR I'VE EVER HAD. SURPRISINGLY NEWER MODEL VEHICLE AND THIS DIFFICULT TO DIAGNOSE. THE CAR MAINLY SPUTTERS AND STALLS AT IDLE OR LOW SPEEDS. WE HAVE TRIED NUMEROUS TIMES TO GET AN ACCURATE DIAGNOSES. NOTHING LEFT TO DO AT THIS POINT EXCEPT REPLACE THE CAR. I FEELS IT IS A DANGER TO MYSELF AND OTHERS ON THE ROAD.

Mileage: 126,000

20200227CrashAIR BAGS

I WAS DRIVING ON THE FREEWAY AND THE CAR IN FRONT OF ME SLAMMED ON HIS BRAKES AND I SLAMMED ON MINE AND THEN THE CAR BEHIND ME HIT ME AND I HIT THE CARIN FRONT OF ME. MY AIRBAGS DIDN'T DEPLOY WHEN HIT FROM BEHIND AND THEN I HIT CAR IN FRONT OF ME . MY CAR IS TOTALED. PLEASE FILE COMPLAINT AND GET BACK TO ME

Mileage: 48,000

20191222AIR BAGS

TRANSMISSION WHINE AFTER USED CAR PURCHASE WITH 91K MILES. TOOK IT TO TOYOTA OF GREENVILLE FOR DIAGNOSTIC. NEEDED A NEW TRANSMISSION. TOOK THE CAR BACK TO RALPH HAYES TOYOTA OF ANDERSON WHEW I PURCHASED AND THEY REPLACED THE TRANSMISSION. SINCE THEN THERE HAS BEEN A TRANSMISSION GRINDING AND SEVERE VIBRATION WHILE IN DRIVE OR REVERSE. I CALLED TOYOTA CUSTOMER SERVICE AND ASKED FOR A BUY BACK. THEY DECLINED. I ALSO COMPLAINED ABOUT THE DEALERSHIP AND THEIR LACK OF CARING AND UNDERSTANDING. TOYOTA CORPORATE DOES NOT CARE. DEALERSHIP KEEPS SAYING THIS VIBRATION AND BEHAVIOR IS NORMAL FOR THIS CAR. IT IS DANGEROUS NOW BECAUSE IT STALLS OUT INTERMITTENTLY WHEN PLACED IN DRIVE OR REVERSE. WHEN IT DOES GO IT LAUNCHES FORWARD. ALSO THE VIBRATION IS SO SEVERE IT WILL SHAKE THE TEETH IN MY MOUTH. I HAVE VIDEO ON MY PHONE OF THE TRANSMISSION ALSO HANGING UP IN GEAR AND THE DEALERSHIP AND TOYOTA CORPORATE DID NOT SEEM TO CARE I HAD PROOF THE NEW TRANSMISSION IS FAULTY. ALSO, THE INFOTAINMENT SYSTE

Mileage: 91,000

20191222SERVICE BRAKES

TRANSMISSION WHINE AFTER USED CAR PURCHASE WITH 91K MILES. TOOK IT TO TOYOTA OF GREENVILLE FOR DIAGNOSTIC. NEEDED A NEW TRANSMISSION. TOOK THE CAR BACK TO RALPH HAYES TOYOTA OF ANDERSON WHEW I PURCHASED AND THEY REPLACED THE TRANSMISSION. SINCE THEN THERE HAS BEEN A TRANSMISSION GRINDING AND SEVERE VIBRATION WHILE IN DRIVE OR REVERSE. I CALLED TOYOTA CUSTOMER SERVICE AND ASKED FOR A BUY BACK. THEY DECLINED. I ALSO COMPLAINED ABOUT THE DEALERSHIP AND THEIR LACK OF CARING AND UNDERSTANDING. TOYOTA CORPORATE DOES NOT CARE. DEALERSHIP KEEPS SAYING THIS VIBRATION AND BEHAVIOR IS NORMAL FOR THIS CAR. IT IS DANGEROUS NOW BECAUSE IT STALLS OUT INTERMITTENTLY WHEN PLACED IN DRIVE OR REVERSE. WHEN IT DOES GO IT LAUNCHES FORWARD. ALSO THE VIBRATION IS SO SEVERE IT WILL SHAKE THE TEETH IN MY MOUTH. I HAVE VIDEO ON MY PHONE OF THE TRANSMISSION ALSO HANGING UP IN GEAR AND THE DEALERSHIP AND TOYOTA CORPORATE DID NOT SEEM TO CARE I HAD PROOF THE NEW TRANSMISSION IS FAULTY. ALSO, THE INFOTAINMENT SYSTE

Mileage: 91,000

20191222POWER TRAIN

TRANSMISSION WHINE AFTER USED CAR PURCHASE WITH 91K MILES. TOOK IT TO TOYOTA OF GREENVILLE FOR DIAGNOSTIC. NEEDED A NEW TRANSMISSION. TOOK THE CAR BACK TO RALPH HAYES TOYOTA OF ANDERSON WHEW I PURCHASED AND THEY REPLACED THE TRANSMISSION. SINCE THEN THERE HAS BEEN A TRANSMISSION GRINDING AND SEVERE VIBRATION WHILE IN DRIVE OR REVERSE. I CALLED TOYOTA CUSTOMER SERVICE AND ASKED FOR A BUY BACK. THEY DECLINED. I ALSO COMPLAINED ABOUT THE DEALERSHIP AND THEIR LACK OF CARING AND UNDERSTANDING. TOYOTA CORPORATE DOES NOT CARE. DEALERSHIP KEEPS SAYING THIS VIBRATION AND BEHAVIOR IS NORMAL FOR THIS CAR. IT IS DANGEROUS NOW BECAUSE IT STALLS OUT INTERMITTENTLY WHEN PLACED IN DRIVE OR REVERSE. WHEN IT DOES GO IT LAUNCHES FORWARD. ALSO THE VIBRATION IS SO SEVERE IT WILL SHAKE THE TEETH IN MY MOUTH. I HAVE VIDEO ON MY PHONE OF THE TRANSMISSION ALSO HANGING UP IN GEAR AND THE DEALERSHIP AND TOYOTA CORPORATE DID NOT SEEM TO CARE I HAD PROOF THE NEW TRANSMISSION IS FAULTY. ALSO, THE INFOTAINMENT SYSTE

Mileage: 91,000

20190919CrashPOWER TRAIN

TL* THE CONTACT OWNS A 2016 SCION IA. ON TWO SEPARATE OCCASIONS, WHILE DRIVING, THE TRANSMISSION ERRONEOUSLY DOWNSHIFTED AND CAUSED THE VEHICLE TO ABRUPTLY DECELERATE. DURING THE FAILURE, A LOUD GRINDING METAL NOISE WAS PRESENT UNDER THE VEHICLE AND AN UNKNOWN WARNING INDICATOR DISPLAYED. ON ONE OCCASION, WHILE DRIVING, THE FAILURE OCCURRED AND CAUSED A SECOND VEHICLE TO CRASH INTO THE REAR OF THE CONTACT'S VEHICLE. THE DRIVER SUSTAINED NECK, BACK, AND SHOULDER INJURIES. IN A SEPARATE INCIDENT, THE PASSENGER SUSTAINED HEAD, NECK, AND SHOULDER INJURIES FROM WHEN THE VEHICLE ABRUPTLY REDUCED SPEED. A POLICE REPORT WAS NOT FILED. THE CAUSE OF THE FAILURES WAS NOT DETERMINED. LAKE CITY TOYOTA (12059 LAKE CITY WAY NE, SEATTLE, WA) AND THE MANUFACTURER WERE NOTIFIED AND PROVIDED CASE NUMBER: 1909103427). THE FAILURE MILEAGE WAS 30,000.

Mileage: 30,000

20190518STRUCTURE:BODY

CAR TRUCK POPS OPEN RANDOMLE WILE DRIVING!

Mileage: 25,000

20190518ELECTRICAL SYSTEM

CAR TRUCK POPS OPEN RANDOMLE WILE DRIVING!

Mileage: 25,000

20190322ENGINE

WHEN AT A STOP THE ENGINE STARTS TO SHAKE LIKE IT'S ABOUT TO TURN OFF WE BOUGHT IT WITH 29000 MILES NOTICED IT A WEEK AFTER WE BOUGHT IT AND IT HAS DONE IT A FEW TIMES THE TOYOTA DEALERSHIP COULDN'T FIND ANY CODES TO REMEDY IT. THE CHECK ENGINE DOES NOT COME ON BUT IT DOES SHAKE VIOLENTLY.IT HAS 35000 MILES NOW.I HAD THE THROTTLE BODY CLEANED AND IT STILL PUTTERS AT THE LIGHT. MOSTLY WITH THE A/C OFF

Mileage: 29,000

20190313ELECTRICAL SYSTEM

SECOND TIME THIS HAPPENED...FIRST THEY SAID BATTERY...WHILE DRIVING, INDICATING WARNING LIGHTS ON DASH START BLINKING (ABS, CHECK ENGINE, TRACTION, AND OTHERS), THEN THE ENGINE GOES INTO LOW HEAR AND STAYS UNTIL THE VEHICLE IS TURNED OFF AND BACK ON. DURING THESE EPISODES THE SPEED ODOMETER IS ERRATIC. ALSO WHEN IN THIS STATE, THE REVERSE GEAR DOES NOT ENGAGE. WHEN THIS STARTED IT WAS A ONCE A MONTH PROBLEM, THEN WEEKLY, NOW IT HAPPENS DAILY/HOURLY. IT STARTED AT APPROXIMATELY 40,000 MILES. THIS HAPPENS WHILE DRIVING ON CITY STREETS AND HIGHWAY, MOST OF THE TIME AT STOPS AND LOWER SPEEDS BUT DOES HAPPEN ON FREEWAY TOO.

Mileage: 76,000

20190313ENGINE

SECOND TIME THIS HAPPENED...FIRST THEY SAID BATTERY...WHILE DRIVING, INDICATING WARNING LIGHTS ON DASH START BLINKING (ABS, CHECK ENGINE, TRACTION, AND OTHERS), THEN THE ENGINE GOES INTO LOW HEAR AND STAYS UNTIL THE VEHICLE IS TURNED OFF AND BACK ON. DURING THESE EPISODES THE SPEED ODOMETER IS ERRATIC. ALSO WHEN IN THIS STATE, THE REVERSE GEAR DOES NOT ENGAGE. WHEN THIS STARTED IT WAS A ONCE A MONTH PROBLEM, THEN WEEKLY, NOW IT HAPPENS DAILY/HOURLY. IT STARTED AT APPROXIMATELY 40,000 MILES. THIS HAPPENS WHILE DRIVING ON CITY STREETS AND HIGHWAY, MOST OF THE TIME AT STOPS AND LOWER SPEEDS BUT DOES HAPPEN ON FREEWAY TOO.

Mileage: 76,000

20190313VEHICLE SPEED CONTROL

SECOND TIME THIS HAPPENED...FIRST THEY SAID BATTERY...WHILE DRIVING, INDICATING WARNING LIGHTS ON DASH START BLINKING (ABS, CHECK ENGINE, TRACTION, AND OTHERS), THEN THE ENGINE GOES INTO LOW HEAR AND STAYS UNTIL THE VEHICLE IS TURNED OFF AND BACK ON. DURING THESE EPISODES THE SPEED ODOMETER IS ERRATIC. ALSO WHEN IN THIS STATE, THE REVERSE GEAR DOES NOT ENGAGE. WHEN THIS STARTED IT WAS A ONCE A MONTH PROBLEM, THEN WEEKLY, NOW IT HAPPENS DAILY/HOURLY. IT STARTED AT APPROXIMATELY 40,000 MILES. THIS HAPPENS WHILE DRIVING ON CITY STREETS AND HIGHWAY, MOST OF THE TIME AT STOPS AND LOWER SPEEDS BUT DOES HAPPEN ON FREEWAY TOO.

Mileage: 76,000

Compare 2016SCIONIA to Similar Vehicles

NHTSA Investigations

Frequently Asked Questions

How many complaints does the 2016 SCION IA have?
The 2016 SCION IA has 39 NHTSA complaints, 8 crashes, 0 fires, 5 injuries, and 0 deaths reported.
What are the most common problems with the 2016 SCION IA?
The most-complained component for the 2016 SCION IA is ENGINE with 8 complaints. Other frequently reported areas include ELECTRICAL SYSTEM and AIR BAGS.
Is the 2016 SCION IA safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.