2017 Toyota Highlander Engine cooling Problems
- Complaints
- 3about this part
- Share
- 1%of 271 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2017 Toyota Highlander, 1% of the 271 complaints for this model year. Where a mileage was given, the median is 60,000 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 2017 Toyota Highlander. The contact stated that upon taking the vehicle to an independent mechanic for service, the contact was informed that the engine was leaking due to a timing chain failure. The contact was advised that the engine needed to be taken apart to repair the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure, and a case was filed. The failure mileage was approximately 60,000.”
NHTSA complaint #11700516, filed 2025-11, 60,000 miles“The contact owns a 2017 Toyota Highlander. The contact stated upon starting the vehicle, she heard abnormal clicking sounds. There was no warning light illuminated. The vehicle was taken to the dealer who diagnosed that the water pump had failed and needed to be replaced. The manufacturer was not notified of the failure. The vehicle was not repaired. The approximate failure mileage was 45,000.”
NHTSA complaint #11437675, filed 2021-10, 45,000 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…
- 10230385Dec 22, 2022TSB: Some 2019 ? 2022 model year Avalon, 2018 ? 2023 model year Camry, 2017 ? 2022 model year Highlander, 2017 ? 2020 model year Sienna, and 2016 ? 2023 model year Tacoma…
- 10220186Jun 20, 2022TT: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s) P042000, and/or P043000. This issue could involve deteriorated catalyst…
- 10213896May 27, 2022TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Toyota vehicles…
- 10214329Mar 21, 2022TT: Some 17-22MY Highlander, and 17-20MY Sienna vehicles with engine serial numbers that start with F or G may experience an engine oil leak condition from the No.2 Oil pan. This…
- 10210372Mar 8, 2022TT: The purpose of this Tech Tip is to provide diagnostic tips to prevent misdiagnosis of the following DTC?s and prevent repeat repairs. One or more of the Heated Oxygen Sensors…
- 10198153May 26, 2021TSB: Some 2017 ? 2018 model year Highlander and Sienna, 2018 model year Camry, and 2019 model year Avalon vehicles with and without the stop and start feature may exhibit a MIL…
- 10198131May 11, 2021TSB: Some 2017 ? 2018 model year Highlander and Sienna vehicles may exhibit a whine noise while driving, a harsh shift, MIL ON, or reduced power. The following Diagnostic Trouble…
- 10183281Oct 21, 2020TT: HVAC drain tube is found to be blocked/clogged.
- 10183188Oct 16, 2020TSB: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Toyota vehicles.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 10% |
| 2019 | 3 | 1% |
| 2017 | 3 | 1% |
| 2016 | 1 | 1% |
| 2015 | 2 | 1% |
| 2013 | 3 | 1% |
| 2012 | 2 | 1% |
| 2011 | 5 | 3% |
| 2010 | 2 | 1% |
| 2009 | 5 | 4% |
| 2008 | 18 | 4% |
| 2007 | 2 | 2% |
| 2006 | 21 | 8% |
| 2005 | 8 | 4% |
| 2004 | 20 | 7% |
| 2003 | 46 | 18% |
| 2002 | 23 | 8% |
| 2001 | 17 | 12% |
Other parts of the 2017 Toyota Highlander
77 complaintsOther or unknown
55 complaintsEngine
47 complaintsElectrical system
46 complaintsFuel system
37 complaintsBrakes
29 complaintsVisibility (wipers, defrost, mirrors)
15 complaintsVehicle speed control
13 complaintsAir bags
9 complaintsBody and structure
8 complaintsWheels
6 complaintsExterior lighting
4 complaints
← All problems reported for the 2017 Toyota Highlander
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