2015 Toyota Highlander Engine Problems
NHTSA lists 21 engine complaints for the 2015 Toyota Highlander, 11% of its 192 total complaints for the year, with a median failure mileage of 11,562 miles. No related recalls are listed for this engine issue.
- Engine complaints
- 21
- 11% of 192
- Crashes reported
- 5
- Fires reported
- 2
- Injuries reported
- 4
- Median mileage
- 11,562 mi
- Related recalls
- 0
Typical engine symptoms owners report
- Owners report sudden unintended acceleration while parking or at low speeds, in several cases leading to a crash into a wall, curb, or pole.
- Some describe the vehicle losing power or stalling at highway speeds, with the check engine light and other warning lights coming on and steering becoming difficult.
- Several complaints mention the throttle body needing cleaning after episodes of surging while driving.
- One owner reported a chemical odor from the catalytic converter undercoating causing headaches and sore throat.
- Owners also report the vehicle unexpectedly decreasing speed at low speeds despite pressing the accelerator pedal, with dealers unable to duplicate or confirm the fault.
When 2015 Toyota Highlander engine complaints were filed
First complaint Oct 6, 2015, latest Aug 27, 2026.
Engine recalls for the 2015 Toyota Highlander
No safety recalls on record for this model year.
Engine complaints by Highlander model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many engine complaints does the 2015 Toyota Highlander have?
- NHTSA lists 21 engine complaints for the 2015 Toyota Highlander, which is 11% of all 192 complaints filed for that model year.
- Is there a recall for the 2015 Toyota Highlander engine problems?
- No related recalls are listed in NHTSA data for the engine complaints reported on the 2015 Toyota Highlander.
- At what mileage do 2015 Highlander engine problems usually appear?
- The median mileage at failure for engine-related complaints is 11,562 miles, according to NHTSA data.
- Did the 2015 Highlander engine issues cause any crashes?
- NHTSA data links 5 crashes and 2 fires to complaints filed in the engine problem area for the 2015 Highlander, with 4 injuries reported.
- How does the 2015 Highlander compare to other years for engine complaints?
- The 2015 Highlander's 21 engine complaints and 11% share are lower than the 2013 (58 complaints, 28% share) and 2017 (58 complaints, 22% share) model years.