AutoUtility currently tracks 10 official NHTSA owner defect complaints for the 2021 Toyota Prius Prime. Electrical System issues are the most frequently reported category, appearing in 4 complaints (40% of submitted records). Among these NHTSA complaint records, 4 filings cite a crash, 1 reports one or more injuries.
- • Total NHTSA Complaints: 10 reports
- • #1 Reported Problem Area: Electrical System (4 reports • 40% of submitted complaints)
- • Secondary Problem Areas: Brakes & Traction Control (3), Driver Assistance & Safety Tech (3)
- • Crash-Citing Complaints: 4 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 1 injury filings • 0 fatality filings
Most Reported Problems for 2021 Toyota Prius Prime
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Electrical System
Brakes & Traction Control
Driver Assistance & Safety Tech
Fuel & Propulsion System
Powertrain & Transmission
Recent NHTSA Owner Reports for 2021 Toyota Prius Prime
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Odometer Fraud. The contact purchased a 2021 Toyota Prius Prime. The contact discovered that there was a mileage discrepancy after the purchase. The vehicle was a private sale. At the time of the purchase, the vehicle mileage was 73,000. It was later discovered upon checking the vehicle history..."
"I was slowly entering a handicapped parking place right in front of a business. The distance from the front of the parking space to the building wall was about 15 feet, one car length. I approached the place to stop in the parking spot when in a split second the car violently surged forward and..."
"The contact owns a 2021 Toyota Prius Prime. The contact stated that while shifted into reverse(R), the rearview camera intermittently went black. No warning light was illuminated. In addition, the contact stated that while driving at various speeds, the rearview camera intermittently went black...."
"Rodents accessed and damaged the car because there essentials components are not protected."
"My vehicle is equipped with Toyota Safety Sense, which includes Full-Speed Range Dynamic Radar Cruise Control (DRCC) and a Pre-Collision System. Today, while driving with DRCC engaged, my vehicle followed a leading car and appropriately slowed down to 2 mph as we approached a signalized..."
Complaint History for Toyota Prius Prime
Reported defect complaint volume across sibling model years (2017–2024)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2017 Toyota Prius Prime | 143 | 20 | 0 | View 2017 Problems → |
| 2018 Toyota Prius Prime | 15 | 4 | 0 | View 2018 Problems → |
| 2019 Toyota Prius Prime | 8 | 0 | 1 | View 2019 Problems → |
| 2020 Toyota Prius Prime | 16 | 5 | 1 | View 2020 Problems → |
| 2021 Toyota Prius Prime Current Page | 10 | 4 | 0 | Current |
| 2022 Toyota Prius Prime | 8 | 3 | 1 | View 2022 Problems → |
| 2023 Toyota Prius Prime | 5 | 0 | 4 | View 2023 Problems → |
| 2024 Toyota Prius Prime | 11 | 1 | 4 | View 2024 Problems → |
Detailed NHTSA Component Breakdown for 2021 Toyota Prius Prime
Complete distribution of consumer defect reports across all 10 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| AIR BAGS,SERVICE BRAKES,ENGINE | 1 | 1 | 0 | 0 | 0 |
| Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SERVICE BRAKES,FUEL/PROPULSION SYSTEM | 1 | 1 | 0 | 2 | 0 |
| Forward Collision Avoidance NHTSA category: FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES, HYDRAULIC,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 1 | 1 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
Official NHTSA Defect Investigations (1)
Formal safety defect inquiries and engineering analyses opened by the NHTSA Office of Defects Investigation (ODI)
Pedestrian alert sounds
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight ra...
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.