2005 Toyota Prius engine problems
15 owner complaints filed with NHTSA name the engine on the 2005 Toyota Prius — 1% of all complaints for this model year.
What owners report
“Eingen faliur acording to dealership Toyota of Anthioc the veicle is on there lot for now but there diagnostic was engine faliure”
filed Feb 16, 2026
“Car stopped accelerating/ engine died while driving at 20-30 mph exiting holland tunnel. Coasted, then braked to stop, pulling over to shoulder. Turned ac off. Red warning light on. Ac warning light? Pressed park button. Press power button to turn off car. Waited 5 sec and then pressed power…”
filed Apr 7, 2021
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% |
| 2010 Prius | 140 | 5% |
| 2009 Prius | 19 | 4% |
Other reported problem areas on the 2005 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.