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.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
12 owner complaints submitted to NHTSA ODI for this subsystem.
8 owner complaints submitted to NHTSA ODI for this subsystem.
6 owner complaints submitted to NHTSA ODI for this subsystem.
5 owner complaints submitted to NHTSA ODI for this subsystem.
Formal engineering analyses and preliminary evaluations opened by the NHTSA Office of Defects Investigation
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..."
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 → |
Complete distribution of consumer defect reports across all 22 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | 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 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2019 Toyota Prius
In official NHTSA consumer records, the most frequently cited issue area for the 2019 Toyota Prius is Brakes & Traction Control, appearing in 12 records (40% of submitted filings).
Secondary reported categories include Driver Assistance & Safety Tech (8) and Engine & Cooling (6).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 30 consumer defect complaints and 4 safety recall campaigns for the 2019 Toyota Prius.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2019 Toyota Prius, 7 filings cite a crash, 0 cite smoke or fire, and 2 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
NHTSA ODI records list 1 formal defect investigation involving the 2019 Toyota Prius (all closed).
Federal defect investigations are formal engineering evaluations opened when safety defect trends emerge, and do not by themselves establish a confirmed defect or mandatory recall.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.