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Engine coolingPart report

2025 Toyota Highlander Engine cooling Problems

Complaints
1about this part
Share
10%of 10 total for the year
Median mileage
100miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 1 complaints about the engine cooling of the 2025 Toyota Highlander, 10% of the 10 complaints for this model year. Where a mileage was given, the median is 100 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 2025 Toyota Highlander. The contact stated while driving at an undisclosed speed, there was an abnormally strong odor entering the cabin of the vehicle through the vents. The windows were rolled down due to the obnoxious odor. The vehicle was taken to the dealer and the contact was informed that the vehicle was tested for leaks in the exhaust; however, no leaks were found. The contact was informed that the fumes were possibly from burning wires or a new vehicle odor because the vehicle was a brand-new vehicle. …”

NHTSA complaint #11712542, filed 2026-01, 100 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
2025110%
201931%
201731%
201611%
201521%
201331%
201221%
201153%
201021%
200954%
2008184%
200722%
2006218%
200584%
2004207%
20034618%
2002238%
20011712%

Other parts of the 2025 Toyota Highlander

Vehicle speed control
3 complaints
Brakes
2 complaints
Forward collision avoidance
2 complaints
Other or unknown
2 complaints
Electrical system
1 complaints
Seat belts
1 complaints
Steering
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 2025 Toyota Highlander

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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