2010 Scion TC problems & reliability
20 owner complaints filed with NHTSA for the 2010 Scion TC, alongside 2 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
1 complaint report injuries (1 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine | 7 | 35% |
| Tires | 3 | 15% |
| Visibility | 3 | 15% |
| Service Brakes | 2 | 10% |
| Unknown OR Other | 2 | 10% |
| Air Bags | 1 | 5% |
| Fuel/propulsion System | 1 | 5% |
| Seats | 1 | 5% |
| Service Brakes, Hydraulic | 1 | 5% |
| Steering | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 12 reported components →Complaints by incident year
What owners report
“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”
Engine · filed Mar 4, 2022
“Warranty Enhancement Program – ZE7 OIL Leak Certain 2007-2010 Scion tC Extension of Warranty Coverage for 2AZ Engine Oil Consumption Toyota is now announcing the part replacement phase of Warranty Enhancement Program ZE7 for vehicles exhibiting excessive engine oil consumption. Eligibility for part replacement under…”
Engine · filed Jan 26, 2022
“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…”
Engine · filed Aug 26, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
116 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2010 Scion TC. The 10 most recent:
TT: HVAC drain tube is found to be blocked/clogged.
S-TT-0117-20 · Service Bulletin/Repair Instructions · issued Dec 11, 2020
Warranty Policy Bulletin: Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of Warranty Enhancement Program ZE7 for…
ZE7 Phase 2 POL1 · Service Bulletin/Repair Instructions · issued Jan 12, 2017
Warranty Policy Bulletin (POL14-12): Added the Short Block Release Authorization Flow Chart. Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the…
ZE7_Warranty Pol · Service Bulletin/Repair Instructions · issued Aug 4, 2016
Warranty policy bulletin (pol14-12): added the short block release authorization flow chart. Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the…
ZE7 · Service Bulletin/Repair Instructions · issued Aug 4, 2016
Warranty policy bulletin (pol14-12): toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of warranty enhancement program ze7…
POL14-12 · Service Bulletin/Repair Instructions · issued Jun 24, 2016
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 announcing a Warranty Enhancement Program to…
ZE7_Phase 2_Warr · Service Bulletin/Repair Instructions · issued Nov 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 announcing a warranty enhancement program to…
ZE7_PHASE2 11/18 · Service Bulletin/Repair Instructions · issued Nov 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 announcing a Warranty Enhancement Program to…
ZE7_Phase 2_Warr · Service Bulletin/Repair Instructions · issued Nov 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 announcing a warranty enhancement program to…
ZE7_PHASE2 11/17 · Service Bulletin/Repair Instructions · issued Nov 17, 2015
DD: 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 crankcase when performing this repair. A Tech…
ZE7_Important Do · Service Bulletin/Repair Instructions · issued Nov 12, 2015
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2010 Scion TC has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2010 Scion TC?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.