2021 Subaru Outback Engine cooling Problems
- Complaints
- 2about this part
- Share
- 1%of 298 total for the year
- Median mileage
- 12,570miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2021 Subaru Outback, 1% of the 298 complaints for this model year. Where a mileage was given, the median is 12,570 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.
“The contact owns a 2021 Subaru Outback. The contact stated while coming out of a full stop, the vehicle would stall without warning. The contact stated no warning light was illuminated. The vehicle was taken to a local dealer but was not diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 6,500.”
NHTSA complaint #11431370, filed 2021-09, 6,500 miles“The contact owns a 2021 Subaru Outback. The contact stated that while driving approximately 55 MPH, the vehicle stalled. During the failure the Eyesight message was displayed, and the check engine warning light was illuminated. The vehicle was later towed to the local dealer who diagnosed that the thermal control valve had failed and needed to be replaced. The thermal control valve was replaced, and the vehicle was repaired. The manufacturer was notified of the failure informed of the extended warranty coverage related to the failure. The failure mileage was 18,640.”
NHTSA complaint #11675847, filed 2025-07, 18,640 milesEngine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 1% |
| 2022 | 1 | 0% |
| 2021 | 2 | 1% |
| 2020 | 3 | 0% |
| 2019 | 1 | 0% |
| 2016 | 3 | 0% |
| 2015 | 3 | 1% |
| 2014 | 1 | 0% |
| 2013 | 1 | 0% |
| 2012 | 2 | 1% |
| 2011 | 8 | 1% |
| 2010 | 23 | 6% |
| 2009 | 3 | 3% |
| 2008 | 6 | 3% |
| 2007 | 3 | 2% |
| 2006 | 7 | 3% |
| 2005 | 16 | 6% |
| 2004 | 13 | 14% |
| 2003 | 14 | 15% |
| 2002 | 17 | 12% |
| 2001 | 22 | 13% |
| 2000 | 35 | 17% |
| 1999 | 23 | 21% |
| 1998 | 40 | 32% |
| 1997 | 24 | 30% |
| 1996 | 10 | 22% |
Other parts of the 2021 Subaru Outback
107 complaintsElectrical system
76 complaintsOther or unknown
66 complaintsForward collision avoidance
29 complaintsEngine
21 complaintsVehicle speed control
19 complaintsAir bags
16 complaintsTransmission and drivetrain
12 complaintsFuel system
10 complaintsBrakes
8 complaintsLane departure
7 complaintsBody and structure
7 complaints
← All problems reported for the 2021 Subaru Outback
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