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Transmission and drivetrainPart report

2020 Toyota Prius Prime Transmission and drivetrain Problems

Complaints
3about this part
Share
19%of 16 total for the year
Median mileage
6,250miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the transmission and drivetrain of the 2020 Toyota Prius Prime, 19% of the 16 complaints for this model year. Where a mileage was given, the median is 6,250 miles. 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.

“Mice chewed through wires and air filter, causing damage to the hybrid system. The check hybrid system warning sign came on and the car running rough. Toyota dealer charged $13066.81 for the damage.”

NHTSA complaint #11374192, filed 2020-11, 6,500 miles

“I was driving yesterday on Freeway in the 2nd lane ,all of a sudden car went from drive to neutral,I didn't touch transmission gear lever and I put gas And it says it is on neutral N,I was in dangerous situation, the other cars were flying by,I put on hazard lights Slowly changed lanes because it was not on D drive mode,pulled it over to Shoulder applied brakes and shift to D Then proceeded back to freeway, I was very scare in this whole ordeal”

NHTSA complaint #11479277, filed 2022-08

“The contact owns a 2020 Toyota Prius Prime. The contact stated that while coasting her vehicle into a parking spot at 2 MPH, the vehicle independently accelerated forward with her foot lightly on the accelerator pedal. The vehicle jumped the curb and crashed into two vehicles. The contact was uncertain if any warning lights illuminated on the instrument panel during the failure. The air bag did not deploy upon impact. Police were called to the scene; however, since no injuries or property damage were reported, they informed that contact that they would not be needed. …”

NHTSA complaint #11449750, filed 2022-02, 6,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2023233%
2021220%
2020319%
2018213%
2017410%

Other parts of the 2020 Toyota Prius Prime

Visibility (wipers, defrost, mirrors)
5 complaints
Electrical system
3 complaints
Vehicle speed control
3 complaints
Brakes
2 complaints
Tires
2 complaints
Air bags
1 complaints
Back-over prevention (rear camera)
1 complaints
Exterior lighting
1 complaints
Body and structure
1 complaints

← All problems reported for the 2020 Toyota Prius Prime

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 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