2022 Toyota Sienna Hybrid Electrical system Problems
- Complaints
- 3about this part
- Share
- 14%of 22 total for the year
- Median mileage
- 6,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the electrical system of the 2022 Toyota Sienna Hybrid, 14% of the 22 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.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2022 Toyota Sienna Hybrid. The contact stated while driving 40 MPH, a rock was kicked up and struck the passenger’s side of the windshield near the middle of the windshield. The contact owns a modified wheelchair accessible vehicle. The vehicle was equipped with multiple sensors and a wheelchair ramp for the contacts husband. The contact stated that she first took the vehicle to a glass shop to repair the windshield. The windshield was replaced with a manufacturer OEM windshield. …”
NHTSA complaint #11551968, filed 2023-10, 6,000 miles“I own a 2022 Toyota Sienna with approximately 67,680 miles. The vehicle began displaying warnings for **Blind Spot Monitor Malfunction, Rear Cross Traffic Alert Malfunction, and Parking Support Brake Unavailable**. A Toyota dealer diagnosed the problem and found significant corrosion at **both rear blind spot monitor connections**. The wiring harness connector pins had corroded/broken off inside the blind spot monitor sensors. The dealer recommends replacing both blind spot monitors and the rear bumper wiring harness and recalibrating the system. The estimated repair cost is **$3,945.84**. …”
NHTSA complaint #11759229, filed 2026-08Related 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 2022 Toyota Sienna Hybrid
6 complaintsAir bags
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsLane departure
2 complaintsLatches, locks and linkages
2 complaintsSeats
2 complaintsBody and structure
2 complaintsBack-over prevention (rear camera)
1 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaints
← All problems reported for the 2022 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