Electrical systemPart report
2024 Toyota Sienna Hybrid Electrical system Problems
- Complaints
- 1about this part
- Share
- 1%of 70 total for the year
- Median mileage
- —not reported
- 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 2024 Toyota Sienna Hybrid, 1% of the 70 complaints for this model year.
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…
- 11028726Jan 30, 2026OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
- 11028722Jan 28, 2026Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map…
- 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…
- 11024081Sep 17, 2025Technical instructions for customer support program 22te09 hv floor under wire harness and rear traction motor cable corrosion certain 2021 – 2024 model year sienna hybrid
- 11024080Sep 17, 2025Although 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…
- 11020657Jun 13, 2025The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service…
- 11019332Apr 2, 2025To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on…
- 11018329Apr 2, 2025To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on…
- 11016786Feb 11, 2025Some 2018 – 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map…
Electrical system: other model years
Other parts of the 2024 Toyota Sienna Hybrid
Brakes
18 complaintsOther or unknown
17 complaintsEngine
7 complaintsVehicle speed control
7 complaintsBody and structure
6 complaintsForward collision avoidance
5 complaintsSeats
5 complaintsTransmission and drivetrain
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsLatches, locks and linkages
3 complaintsTires
3 complaintsFuel system
2 complaints
18 complaintsOther or unknown
17 complaintsEngine
7 complaintsVehicle speed control
7 complaintsBody and structure
6 complaintsForward collision avoidance
5 complaintsSeats
5 complaintsTransmission and drivetrain
4 complaintsVisibility (wipers, defrost, mirrors)
4 complaintsLatches, locks and linkages
3 complaintsTires
3 complaintsFuel system
2 complaints
← All problems reported for the 2024 Toyota Sienna 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