2009 Scion TC engine problems
15 owner complaints filed with NHTSA name the engine on the 2009 Scion TC — 25% of all complaints for this model year.
What owners report
“sold a AS IS TRADE IN vehicle that had no warning lights on dashboard or window info on safety defective emmisons and ecm and has not been very helpful with my vehicle I have not been able to drive because of safety concerns with recent discovery of codes that showed after getting a new battery for…”
filed Mar 29, 2026
“I believe my emmisons had malfunctioning part # 77740-21011 called used auto sales agent 5 mins after purchasing on 3/1 because I was at gas station having unusual fuel pumping problems that made it very difficult to put gas in had a constant clicking happen and the dealer on the phone told me…”
filed Mar 28, 2026
“My scion TC is using an extreme amount of oil to where I am putting 2-3 quarts in the motor per week. The extreme usage of oil can cause the engine to blow up due to lack of oil staying in the engine. My oil light will flash after couple days indicating low oil. A dangerous situation that can happen is the engine stop…”
filed May 22, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
TT: HVAC drain tube is found to be blocked/clogged.
S-TT-0117-20 · Service Bulletin/Repair Instructions · issued Dec 11, 2020Warranty 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, 2017Warranty 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, 2016WPB: 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, 2015WPB: 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
Engine problems in other TC years
| Year | Reports | Share |
|---|---|---|
| 2011 TC | 2 | 7% |
| 2010 TC | 7 | 35% |
| 2008 TC | 23 | 27% |
| 2007 TC | 32 | 27% |
| 2006 TC | 17 | 11% |
| 2005 TC | 9 | 6% |
Other reported problem areas on the 2009 Scion TC
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.