2020 Toyota Prius Prime Vehicle speed control Problems
- Complaints
- 3about this part
- Share
- 19%of 16 total for the year
- Median mileage
- 14,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the vehicle speed control of the 2020 Toyota Prius Prime, 19% of the 16 complaints for this model year. Where a mileage was given, the median is 14,000 miles. 3 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.
“I was going to park my car in parking lot of my apartment. I pushed the baker, the car didn't decrease the speed or stop, but accelerated. It was just out of control and crashed to the wall. The sensor system didn't do any job, not even a warning.”
NHTSA complaint #11376393, filed 2020-11, 2,000 miles“The contact owns a 2020 Toyota Prius Prime. The contact stated that while pulling into a parking lot, traveling down the aisle, and driving around the end cap to the second aisle, pulling into the parking spot at 5 MPH, the vehicle suddenly accelerated. The wheels squealed. The vehicle traveled through the spot and sideswiped another vehicle, and stopped. There were no reported injuries or fire. A police report was filed. The vehicle was serviced a week prior. The local dealer was contacted, who referred to the manufacturer. The vehicle was not diagnosed or repaired. …”
NHTSA complaint #11690279, filed 2025-09, 54,300 miles“The contact owns a 2020 Toyota Prius Prime. The contact stated that while driving slowly into a parking space the vehicle suddenly experience unintended acceleration and accelerated forward before crashing into a building. During the crash, the front end of the vehicle was severely damaged but the air bags did not deploy. No injuries were reported. The vehicle was towed from the scene. No police report was filed. The cause of the failure was not yet determined. The manufacturer and local dealer were not yet notified. The VIN was not available. The failure mileage was 14,000. …”
NHTSA complaint #11496798, filed 2022-12, 14,000 milesRelated service bulletins
- 10244113Aug 17, 2023TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most…
- 10211830Apr 29, 2022Some 2016 ? 2018 model year Toyota vehicles equipped with Entune? Audio (version 01013E), Entune? Audio Plus (version 010156 or 01015C), or Entune? Premium Audio (versions…
Vehicle speed control: other model years
Other parts of the 2020 Toyota Prius Prime
5 complaintsElectrical system
3 complaintsTransmission and drivetrain
3 complaintsBrakes
2 complaintsTires
2 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaintsExterior lighting
1 complaintsBody 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