2021 Toyota Highlander Hybrid Hybrid propulsion system Problems
- Complaints
- 1about this part
- Share
- 7%of 15 total for the year
- Median mileage
- 10miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the hybrid propulsion system of the 2021 Toyota Highlander Hybrid, 7% of the 15 complaints for this model year. Where a mileage was given, the median is 10 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 2021 Toyota Highlander Hybrid. The contact stated while depressing the brake pedal, the vehicle continued to accelerate forward before coming to a stop. The vehicle was taken to the local dealer on several occasions but no cause for the failure was found. The contact was informed that the vehicle operated normally due to the hybrid system. The manufacturer was not contacted. The failure mileage was 10.”
NHTSA complaint #11564106, filed 2024-01, 10 milesRelated service bulletins
- 10252272Feb 28, 2024DP: Although the HV Floor Under Wire Harness and Rear Traction Motor Cable is covered by Toyota?s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes…
Hybrid propulsion system: other model years
Other parts of the 2021 Toyota Highlander Hybrid
8 complaintsBody and structure
4 complaintsBrakes
1 complaintsElectrical system
1 complaintsFuel system
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2021 Toyota 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