2019 Toyota Prius Lane departure Problems
- Complaints
- 1about this part
- Share
- 3%of 30 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the lane departure of the 2019 Toyota Prius, 3% of the 30 complaints for this model year.
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.
“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 braking, steering interference, and lane instability — as if the car were trying to “correct” problems that didn’t exist. These interventions often happen on highways or during turns, creating serious safety risks for both driver and passengers. …”
NHTSA complaint #11692652, filed 2025-10Related service bulletins
- 10202452Sep 3, 2021TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily…
- 10145739Aug 22, 2018TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily…
- 10149996Aug 17, 2018TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily…
- 10149197Aug 17, 2018TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily…
Lane departure: other model years
Other parts of the 2019 Toyota Prius
11 complaintsOther or unknown
8 complaintsEngine
6 complaintsAir bags
4 complaintsElectrical system
4 complaintsForward collision avoidance
4 complaintsVehicle speed control
4 complaintsTires
2 complaintsTransmission and drivetrain
2 complaintsBack-over prevention (rear camera)
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2019 Toyota Prius
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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