2003 Toyota Highlander overheating reports
39 NHTSA complaints describe overheating and coolant leaks on the 2003 Toyota Highlander — roughly 15% of all complaints for this model year.
39
Overheating reports
15%
share of complaints
115,000 mi
median mileage in overheating reports (37 with odometer)
Components reported on this vehicle
Overheating in other Highlander years
| 2006 Highlander | 9 |
| 2004 Highlander | 12 |
| 2002 Highlander | 6 |
Other symptoms owners describe on the 2003 Toyota Highlander
Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2003 Toyota Highlander report before drawing conclusions.