2024 Toyota Grand Highlander Hybrid Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 29%of 7 total for the year
- Median mileage
- 3,500miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 2 complaints about the transmission and drivetrain of the 2024 Toyota Grand Highlander Hybrid, 29% of the 7 complaints for this model year. Where a mileage was given, the median is 3,500 miles.
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 2024 Toyota Grand Highlander Hybrid. The contact stated while accelerating from a complete stop, the vehicle failed to respond within 2-3 seconds and was nearly T-boned by another vehicle. The contact stated that the failure had been recurring intermittently while accelerating from a complete stop. There was no warning light illuminated. The vehicle was taken to the dealer several times, but the failure could not be duplicated. …”
NHTSA complaint #11667636, filed 2025-06, 5,000 miles“The contact owns a 2024 Toyota Grand Highlander Hybrid. The contact stated that while driving at approximately 35-45 MPH, the vehicle experienced a loss of motive power while shifting gear. There were no warning lights illuminated. The contact stated that the failure was related to a software update issue. The vehicle was not repaired or diagnosed by and independent mechanic or local dealer. The manufacturer was made aware of the failure and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was approximately 2,000.”
NHTSA complaint #11594294, filed 2024-06, 2,000 milesRelated service bulletins
- 11032482Apr 17, 2026OBSOLETE NOTICE April 17, 2026: This bulletin is now obsolete. Please see T-SB-0028-26
- 11032480Apr 16, 2026Some 2024 Grand Highlander and Grand Highlander Hybrid vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while…
- 11016797Feb 24, 2025Some 2023 – 2025 Crown and 2024 – 2025 Grand Highlander Hybrid vehicles equipped with a Hybrid Transmission Assembly HPC60 may exhibit a shudder sensation when the vehicle is at…
- 11015511Feb 24, 2025Some 2023 – 2025 Crown and 2024 – 2025 Grand Highlander Hybrid vehicles equipped with a Hybrid Transmission Assembly HPC60 may exhibit a shudder sensation when the vehicle is at…
- 11010350Oct 18, 2024Some 2024 Grand Highlander and Grand Highlander Hybrid vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while…
- 11010096Sep 25, 2024Some 2024 Grand Highlander and Grand Highlander Hybrid vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while…
- 11005124Jun 25, 2024Some 2023 – 2024 model year Crown and 2024 model year Grand Highlander Hybrid vehicles equipped with the PC60 hybrid transmission may exhibit a MIL ON condition with Diagnostic…
- 11005066Jun 25, 2024Some 2023 – 2024 model year Crown and 2024 model year Grand Highlander Hybrid vehicles equipped with the PC60 hybrid transmission may exhibit a MIL ON condition with Diagnostic…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 2 | 29% |
Other parts of the 2024 Toyota Grand Highlander Hybrid
3 complaintsEngine
1 complaintsFuel system
1 complaintsHybrid propulsion system
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2024 Toyota Grand Highlander Hybrid
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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