2024 Toyota Grand Highlander engine problems
37 owner complaints filed with NHTSA name the engine on the 2024 Toyota Grand Highlander — 16% of all complaints for this model year.
What owners report
“At 5:16 pm, CST. I was stopped at a stop sign headed west on a 25 mph road crossing a 30 mph road (that does not have a stop sign) in Illinois. After waiting for a an appropriate gap in traffic, I attempted to accelerate though the interesting. I released the brake pedal and attempted to…”
filed Sep 1, 2026
“Sometimes, when trying to accelerate in certain situations, the vehicle accelerator pedal will not respond or the engine stutters and won't immediately respond to input and the vehicle seems to stall. This has been scary several times in traffic. The vehicle originally would throw an engine code on…”
filed Aug 25, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
OBSOLETE NOTICE February 11, 2025: This bulletin is now obsolete. Please see T-SB-0021-25.
T-SB-0107-20 Rev2 · Service Bulletin/Repair Instructions · issued Feb 12, 2025
Engine problems in other Grand Highlander years
| Year | Reports | Share |
|---|---|---|
| 2026 Grand Highlander | 6 | 18% |
| 2025 Grand Highlander | 12 | 17% |
Other reported problem areas on the 2024 Toyota Grand Highlander
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.