Electrical systemPart report
2023 Toyota Highlander Hybrid Electrical system Problems
- Complaints
- 1about this part
- Share
- 11%of 9 total for the year
- Median mileage
- 6,000miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the electrical system of the 2023 Toyota Highlander Hybrid, 11% of the 9 complaints for this model year. Where a mileage was given, the median is 6,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 11033412May 14, 2026Although 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 first), we…
- 11031158Mar 18, 2026Some 2020 – 2024 model year Highlander and Highlander Hybrid vehicles may exhibit a condition in which the air conditioner does not cool due to a leak and/or corrosion in the…
- 11028711Jan 6, 2026Although 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 first), we…
- 11026306Nov 7, 2025A new head unit software update is available for 2022 – 2025 model year Tundra, and Tundra Hybrid; 2023 – 2025 model year Corolla Cross, Corolla Cross Hybrid, Highlander…
- 11024098Sep 25, 2025The subject vehicles are equipped with a rear motor unit and an HV Floor Under Wire that provide high voltage to operate the motor. Mud, water, or road salt could potentially…
- 11024097Sep 24, 2025Technical instructions for 25td01 rear traction motor cable corrosion certain 2019 - 2024 rav4 hv (awd), 2021- 2024 rav4 prime, 2020-2024 highlander hv (awd), 2021-2024 venza hv…
- 11024096Sep 24, 2025The subject vehicles are equipped with a rear motor unit and an HV Floor Under Wire that provide high voltage to operate the motor. Mud, water, or road salt could potentially…
- 11024090Sep 18, 2025Technical instructions for 25td01 rear traction motor cable corrosion certain 2019 - 2024 rav4 hv (awd) 2021- 2024 rav4 prime 2020-2024 highlander hv (awd) 2021-2024 venza hv…
- 11024089Sep 18, 2025The subject vehicles are equipped with a rear motor unit and an HV Floor Under Wire that provide high voltage to operate the motor. Mud, water, or road salt could potentially…
- 11024075Sep 9, 2025A new head unit software update is available for 2023 model year Corolla Cross, Corolla Cross Hybrid, Highlander, Highlander Hybrid, and Mirai vehicles equipped with Toyota…
Electrical system: other model years
Other parts of the 2023 Toyota Highlander Hybrid
Body and structure
3 complaintsAir bags
1 complaintsBrakes
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsSeats
1 complaintsSteering
1 complaintsVehicle speed control
1 complaints
3 complaintsAir bags
1 complaintsBrakes
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsSeats
1 complaintsSteering
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2023 Toyota Highlander Hybrid
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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