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Electrical systemPart report

2021 Toyota Prius Electrical system Problems

Complaints
1about this part
Share
17%of 6 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 electrical system of the 2021 Toyota Prius, 17% of the 6 complaints for this model year. 1 of these say a crash was involved, according to the filers.

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 car accelerated without my foot on the accelerator, brake did not respond, and I had to drive through grass and a rock-filled ditch until after about 10 seconds the car returned to my control.”

NHTSA complaint #11526893, filed 2023-06

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2026233%
2025638%
2024415%
2023524%
2022625%
2021117%
2020214%
2019413%
201825%
20171112%
20162013%
20152716%
20143316%
20135213%
20125212%
20116813%
20101927%
20096012%
200823516%
200724812%
200615211%
200517817%
200417729%
20031313%
20021811%
20012716%

Other parts of the 2021 Toyota Prius

Engine
2 complaints
Fuel system
2 complaints
Brakes
1 complaints
Forward collision avoidance
1 complaints
Lane departure
1 complaints
Other or unknown
1 complaints
Vehicle speed control
1 complaints
Wheels
1 complaints

← All problems reported for the 2021 Toyota Prius

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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