2019 Toyota Highlander Engine cooling Problems
- Complaints
- 3about this part
- Share
- 1%of 505 total for the year
- Median mileage
- 96,200miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2019 Toyota Highlander, 1% of the 505 complaints for this model year. Where a mileage was given, the median is 96,200 miles. 1 a fire, according to the filers.
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 2019 Toyota Highlander. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. The contact was able to pull over to the shoulder of the roadway, where the vehicle failed to restart. The check engine warning light was illuminated. The vehicle was towed to the dealer and diagnosed with head gasket failure, resulting in damage to the engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 124,000.”
NHTSA complaint #11695320, filed 2025-10, 124,000 miles“The contact owns a 2019 Toyota Highlander. The contact stated while driving at an undisclosed speed, the vehicle lost motive power. There was no warning light illuminated. The vehicle was towed to an independent mechanic where it was diagnosed as a failure with the crankshaft sensor. The contact was informed that the crankshaft sensor needed to be replaced. The vehicle was not repaired. The dealer was contacted; however, the vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 60,000. The VIN was not available.”
NHTSA complaint #11602887, filed 2024-07, 60,000 miles“The contact owns a 2019 Toyota Highlander. The contact stated that while driving approximately 65 MPH the vehicle began to loose automotive power and stalled. During the incident, several warning messages were activated which included the check engine light and the ABS warning. While inspecting the vehicle smoke and fire began to stream from under the engine hood and moments later the frontend of the vehicle became engulfed in flames. The fire department was called to the scene and extinguished the flames. During the incident, the vehicle was destroyed and later towed away. …”
NHTSA complaint #11608736, filed 2024-08, 96,200 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…
- 10224180Sep 28, 2022TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the following message ?Engine Maintenance Required Visit Your Dealer? on the…
- 10224142Jul 8, 2022TT: Some Model Year 2018-2021 vehicles equipped with A25A-FKS/FXS or M20A-FKS/FXS engines may display the following message ?Engine Maintenance Required Visit Your Dealer? on the…
- 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…
- 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 2019 Toyota Highlander
211 complaintsFuel system
109 complaintsOther or unknown
83 complaintsEngine
71 complaintsElectrical system
56 complaintsBrakes
20 complaintsAir bags
14 complaintsVehicle speed control
13 complaintsBody and structure
12 complaintsForward collision avoidance
11 complaintsSteering
8 complaintsSeat belts
6 complaints
← All problems reported for the 2019 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