2021 Toyota Sienna Hybrid Back-over prevention (rear camera) Problems
- Complaints
- 1about this part
- Share
- 2%of 45 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the back-over prevention of the 2021 Toyota Sienna Hybrid, 2% of the 45 complaints for this model year.
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.
“FAILURE: Blind spot monitor module failed due to a corroded internal electrical connector. The failure disabled both the Blind Spot Monitor (BSM) and Rear Cross-Traffic Alert (RCTA). Both remain inoperative. The failed component has not been replaced and is available for inspection. SAFETY RISK: Two active safety systems are disabled. The vehicle no longer warns of vehicles in the blind spot during lane changes, and no longer warns of cross traffic when backing out of parking spaces or driveways. WARNING LAMPS: Yes. …”
NHTSA complaint #11750096, filed 2026-07Related service bulletins
- 10234336Mar 23, 2023TT: Some 2021- 2023 Sienna HV vehicles may duplicate an abnormal noise (Growl, Humming and/or other) from the Hybrid T/A at various vehicle speeds and normal drive conditions…
- 10190470Mar 31, 2021TT: Confirm the scraping noise is coming from the front of the vehicle and not the rear. If the condition occurs from the front of the vehicle, verify the vehicle meets ALL the…
- 10187264Jan 20, 2021TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular…
- 10183277Oct 21, 2020TSB: Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are…
- 10190459Mar 16, 2020TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular…
Back-over prevention (rear camera): other model years
Other parts of the 2021 Toyota Sienna Hybrid
13 complaintsBrakes
9 complaintsSeats
5 complaintsBody and structure
5 complaintsVisibility (wipers, defrost, mirrors)
5 complaintsElectrical system
4 complaintsEngine
3 complaintsOther or unknown
3 complaintsExterior lighting
2 complaintsSuspension
2 complaintsTransmission and drivetrain
2 complaintsForward collision avoidance
1 complaints
← All problems reported for the 2021 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