2012 Toyota Prius Engine cooling Problems
- Complaints
- 1about this part
- Share
- 0%of 424 total for the year
- Median mileage
- 9,851miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2012 Toyota Prius, 0% of the 424 complaints for this model year. Where a mileage was given, the median is 9,851 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.
“Upon starting the engine and engaging the air conditioning of my 2012 Toyota Prius with 10,000 miles, a strong foul smelling air comes from the A/C vents. At the 10,000 mile servicing, the Toyota service manager stated this smell is typical to some toyotas. A Toyota technical assistance was performed. The report stated no repairs needed at this time vehicle is operating as per designed. I know of no vehicle design that would stream foul air from the A/C vents of a new car. …”
NHTSA complaint #10543441, filed 2013-09, 9,851 milesRelated service bulletins
- 10253223Mar 4, 2024This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the…
- 10183281Oct 21, 2020TT: HVAC drain tube is found to be blocked/clogged.
- 10179698Aug 5, 2020TSB: Some 2003 ? 2020 model year Prius, Prius C, Prius V; 2006 ? 2019 model year Highlander Hybrid Vehicle; 2007 ? 2020 Camry Hybrid Vehicle; 2013 ? 2020 model year Avalon Hybrid…
- 10179602Aug 5, 2020TSB: Some 2003 ? 2020 model year Prius, Prius C, Prius V; 2006 ? 2019 model year Highlander Hybrid Vehicle; 2007 ? 2020 Camry Hybrid Vehicle; 2013 ? 2020 model year Avalon Hybrid…
- 10178524Jul 30, 2020TT: HVAC drain tube is found to be blocked/clogged.
- 10164926Aug 30, 2019Warranty Enhancement Program: Toyota has received reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation (EGR)…
- 10131893Mar 27, 2017TT: Rev2 Some Customers may complain about a Hybrid Vehicle Battery cooling system warning message. This warning message may appear when the HV Battery cooling system loses…
- 10132913Nov 16, 2016TSB: NOTE Service Bulletin No. T-SB-0168-16 ?2ZR-FXE Engine Oil Consumption Inspection Procedure? MUST be performed BEFORE continuing with the procedure in this bulletin. Some…
- 10132912Nov 16, 2016TSB: Some 2010 ? 2014 model year Prius, Prius V, and Prius PHV vehicles equipped with 2ZR-FXE engines may exhibit engine oil consumption. The piston and ring assembly has been…
- 10111614Aug 16, 2016Warranty Policy Bulletin (POL16-04): Toyota has received reports of a rough idle and/or rattle noise from the transaxle at cold start due to a sticking Exhaust Gas Recirculation…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 4% |
| 2019 | 1 | 3% |
| 2018 | 3 | 8% |
| 2017 | 1 | 1% |
| 2016 | 1 | 1% |
| 2012 | 1 | 0% |
| 2011 | 5 | 1% |
| 2010 | 33 | 1% |
| 2009 | 7 | 1% |
| 2008 | 16 | 1% |
| 2007 | 17 | 1% |
| 2006 | 20 | 1% |
| 2005 | 64 | 6% |
| 2004 | 89 | 15% |
| 2003 | 11 | 11% |
| 2002 | 11 | 7% |
| 2001 | 18 | 11% |
Other parts of the 2012 Toyota Prius
200 complaintsElectrical system
52 complaintsExterior lighting
36 complaintsOther or unknown
33 complaintsEngine
31 complaintsVisibility (wipers, defrost, mirrors)
30 complaintsAir bags
28 complaintsBody and structure
23 complaintsTransmission and drivetrain
21 complaintsSteering
13 complaintsVehicle speed control
13 complaintsFuel system
11 complaints
← All problems reported for the 2012 Toyota Prius
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