2010 Scion TC Engine Problems
- Complaints
- 7about this part
- Share
- 35%of 20 total for the year
- Median mileage
- 114,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the engine of the 2010 Scion TC, 35% of the 20 complaints for this model year. Where a mileage was given, the median is 114,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Vehicle was accelerating on highway when knocking was heard and engine failire occurred. Was coasted to a stop and oil was checked. No oil in the vehicle. New engine needed for vehicle. Vehicle is at 80,000 and oil changes were maintained. No oil leaks visible.”
NHTSA complaint #11155955, filed 2018-12, 80,000 miles“Excessive oil consumption leading to motor loss. This seems to be a known issue for vehicles that are regularly maintained and scheduled oil changes every 3-5,000 miles. It seems it should be handled as a recall by toyota if this many vehicles are having the same issue. Excessive oil consumption began around 90k miles. At 148k, vehicle was requiring more oil than I was able to put in. Engine began knocking , and even after topping off oil, within 48 hours experienced complete motor loss. Knocking seemed to be worse when idle. …”
NHTSA complaint #10955689, filed 2017-02, 148,000 miles“I took my car to Toyota on August 7th 2021 and was informed my car needed a new engine due to losing three quarts of oil. The employee then informed me my car was under recall but they would be unable to fix the problem because the recall had expired. I never received a letter in the mail instructing me to take my car in for repairs due to this recall.”
NHTSA complaint #11430691, filed 2021-08“Warranty Enhancement Program –Part Replacement for Excessive Oil Consumption (NEVER INFORMED OF THIS ISSUE) I just found out that this expired on 3/27/2020 but Toyota mentioned this was created by your department. and within this letter we never received they are not willing to fix my car since it just started happening to my car. I took it to the Toyota dealership because I kept getting my oil changed at VA tire and Auto and after 2000 miles 4 quarts of oil is gone. …”
NHTSA complaint #11430483, filed 2021-08“My car is burning oil, like a quart per week I always maintain the oil level, not leaks I just want to know if Toyota can help me, I am a third owner of this car has 94000 miles”
NHTSA complaint #11455276, filed 2022-03Related service bulletins
- 10111584Aug 4, 2016Warranty Policy Bulletin (POL14-12): Added the Short Block Release Authorization Flow Chart. Toyota has received some reports where vehicles may exhibit excessive engine oil…
- 10091611Jun 24, 2016Warranty policy bulletin (pol14-12): toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement…
- 10091975Nov 18, 2015"wpb: the engine is covered under the toyota new vehicle limited warranty for 5 years from the date of first use or 60,000 miles (whichever occurs first). However, toyota is…
- 10091971Nov 17, 2015"wpb: the engine is covered under the toyota new vehicle limited warranty for 5 years from the date of first use or 60,000 miles (whichever occurs first). However, toyota is…
- 10111474Nov 12, 2015DD: In limited cases vehicles being serviced for ZE7 will require a replacement short block. Dealers will need to install the dowel pins between the short block and lower…
- 10091957Nov 12, 2015Dd: in limited cases vehicles being serviced for ze7 will require a replacement short block. Dealers will need to install the dowel pins between the short block and lower…
- 10093961Nov 2, 2015"ssb: some 2007 2010 model year tc and 2008 2015 model year xb vehicles equipped with the 2az-fe engine may exhibit engine oil consumption. The piston assembly has been…
- 10096371Oct 5, 2015Wpb: toyota has received some reports where the vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of warranty enhancement…
- 10096355Oct 1, 2015"tt: there has been some concern with 3 piece piston ring installations for 2az-fe engines. This tech tip contains the accepted installation method required for scion vehicles."
- 10096765Sep 30, 2015"tt: based on current part order allocation, some piston types have been incorrectly identified while undergoing the ze7 2az oil consumption repair procedure. Replacement pistons…
Engine: other model years
Other parts of the 2010 Scion TC
4 complaintsBrakes
3 complaintsTires
3 complaintsOther or unknown
2 complaintsAir bags
1 complaintsFuel system
1 complaintsSeats
1 complaintsSteering
1 complaintsWheels
1 complaints
← All problems reported for the 2010 Scion TC
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology