AutoUtility currently tracks 30 official NHTSA owner defect complaints for the 2019 Toyota Prius. Brakes & Traction Control issues are the most frequently reported category, appearing in 12 complaints (40% of submitted records). Among these NHTSA complaint records, 7 filings cite a crash, 2 report one or more injuries.
- • Total NHTSA Complaints: 30 reports
- • #1 Reported Problem Area: Brakes & Traction Control (12 reports • 40% of submitted complaints)
- • Secondary Problem Areas: Driver Assistance & Safety Tech (8), Engine & Cooling (6)
- • Crash-Citing Complaints: 7 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 2 injury filings • 0 fatality filings
Most Reported Problems for 2019 Toyota Prius
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Brakes & Traction Control
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #19V544000 ELECTRONIC STABILITY CONTROL (ESC)
Driver Assistance & Safety Tech
Engine & Cooling
Air Bags & Restraints
Electrical System
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #19V876000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Recent NHTSA Owner Reports for 2019 Toyota Prius
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Coolant is leaking into the catalytic converter. This seems to be a common issue. Toyota issued a technical service bulletin on XXX covering this exactly. Some 2016–2019 Prius and 2017–2019 Prius Prime vehicles may exhibit low coolant level, MIL on with DTC P148F00, and/or poor heater performance..."
"Frequency when I start car makes a very loud , painful high pitch noise for anywhere from 5-15 seconds"
"Body of car has rust perforation starting from the inside working out. This is on the roof, so water incursion will effect airbags and electrical system. FIrst noticed rust bubbles a few years ago, but did not think much of it. Now two body shops have said roof panel needs to be replaced. This is..."
"See Attachment"
"Since October 2023, my 2019 Toyota Prius has developed severe and unpredictable driving behavior after a regular brake service, which may have triggered or coincided with a software or ECU update. The car, which had been driving smoothly since I bought it in 2021, suddenly began showing false..."
Complaint History for Toyota Prius
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Toyota Prius | 180 | 31 | 2 | View 2015 Problems → |
| 2016 Toyota Prius | 181 | 13 | 5 | View 2016 Problems → |
| 2017 Toyota Prius | 93 | 14 | 3 | View 2017 Problems → |
| 2018 Toyota Prius | 42 | 6 | 3 | View 2018 Problems → |
| 2019 Toyota Prius Current Page | 30 | 7 | 4 | Current |
| 2020 Toyota Prius | 14 | 6 | 0 | View 2020 Problems → |
| 2021 Toyota Prius | 6 | 1 | 0 | View 2021 Problems → |
| 2022 Toyota Prius | 24 | 4 | 1 | View 2022 Problems → |
| 2023 Toyota Prius | 19 | 1 | 4 | View 2023 Problems → |
| 2024 Toyota Prius | 23 | 4 | 4 | View 2024 Problems → |
| 2025 Toyota Prius | 17 | 1 | 2 | View 2025 Problems → |
| 2026 Toyota Prius | 0 | 0 | 1 | View 2026 Problems → |
Detailed NHTSA Component Breakdown for 2019 Toyota Prius
Complete distribution of consumer defect reports across all 22 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 5 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 2 | 2 | 0 | 2 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 2 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 2 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,SERVICE BRAKES | 2 | 1 | 0 | 0 | 0 |
| AIR BAGS,SERVICE BRAKES, HYDRAULIC,VEHICLE SPEED CONTROL | 1 | 1 | 0 | 0 | 0 |
| AIR BAGS,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,BACK OVER PREVENTION,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SERVICE BRAKES,ENGINE | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 1 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES, AIR | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,LANE DEPARTURE,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ELECTRONIC STABILITY CONTROL (ESC),ENGINE | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,SERVICE BRAKES,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 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.