2010 Toyota Prius engine problems
140 owner complaints filed with NHTSA name the engine on the 2010 Toyota Prius — 5% of all complaints for this model year.
What owners report
“I own a 2010 Toyota Prius hybrid 4 door sedan. I am the second owner of the vehicle. I purchased it in 2018 from a used car dealer. The vehicle ran well up until 2022 where a “check hybrid warning would appear on the dashboard along with a yellow triangle and service engine light would come on and…”
filed Jan 25, 2025
“At around 1000,000 miles my Toyota Prius started burning oil like crazy. The dealer did an oil consumption test and confirmed the problem. I had to have my engine rebuilt because the rings were not seating properly. I had to bear all costs even though this is clearly a manufacturing default.”
filed Dec 24, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin includes basic procedures for performing a rescue charge on Ni-MH high voltage (HV) batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while…
T-SB-0009-26 · Service Bulletin/Repair Instructions · issued Feb 13, 2026OBSOLETE NOTICE February 13, 2026: This bulletin is now obsolete. Please see T-SB-0009-26.
T-SB-0119-15 Rev2 · Service Bulletin/Repair Instructions · issued Feb 13, 2026
Engine problems in other Prius years
| Year | Reports | Share |
|---|---|---|
| 2022 Prius | 2 | 8% |
| 2019 Prius | 5 | 17% |
| 2018 Prius | 2 | 6% |
| 2017 Prius | 12 | 13% |
| 2016 Prius | 17 | 11% |
| 2015 Prius | 8 | 5% |
| 2014 Prius | 17 | 8% |
| 2013 Prius | 37 | 9% |
| 2012 Prius | 31 | 7% |
| 2011 Prius | 46 | 9% |
| 2009 Prius | 19 | 4% |
| 2008 Prius | 49 | 3% |
Other reported problem areas on the 2010 Toyota Prius
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.