2024 Toyota Grand Highlander Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 197 complaints citing each category; one complaint can cite several. Full breakdown on the 2024 Toyota Grand Highlander overview page.
What owners report
“The contact owns a 2024 Toyota Grand Highlander. The contact stated that while driving at an undisclosed speed, the vehicle suddenly lost motive power. However…”NHTSA complaint 11620395 — filed 10/17/2024
“Specifically the model: 2024 Grand Highlander Hybrid Max. immediately new off the dealer lot when driving between 0-40mph, there is a transmission issue. In real…”NHTSA complaint 11620112 — filed 10/16/2024
“I have had 2 intermittent issues since I bought this vehicle brand new. 1) Hard, Jerky shifting from 1-2 or 2-3 gear 2) Huge safety…”NHTSA complaint 11613041 — filed 09/06/2024
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2024 Toyota Grand Highlander have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2024 Toyota Grand Highlander: 39 of 197 complaints on file (19.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2024 Toyota Grand Highlander have in total?
197 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 6 involved a crash, 1 involved a fire, 3 reported injuries, and 1 reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
