2019 Toyota Avalon power train problems
10 owner complaints filed with NHTSA name the power train on the 2019 Toyota Avalon — 14% of all complaints for this model year.
What owners report
“While driving the vehicle and stopped at a red light or stop sign, the vehicle failed to accelerate when pressing the gas pedal. I pulled to the curb and turn off the car. After I start the car again, it will work fine. The vehicle has failed to accelerate several random times while driving and…”
filed Sep 3, 2026
“UA80 transmission issues. High pitched whining Erratic and hard shifting shuttering and hesitation Issue has been diagnosed by dealership Toyota Technician and independent service center ASE Certified technicians. Car is still drivable, with no warning lamps as of yet. Issue became more noticeable…”
filed Jun 24, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Avalon years
| Year | Reports | Share |
|---|---|---|
| 2021 Avalon | 1 | 5% |
| 2018 Avalon | 1 | 4% |
| 2016 Avalon | 2 | 9% |
| 2015 Avalon | 2 | 5% |
| 2014 Avalon | 1 | 1% |
| 2013 Avalon | 3 | 2% |
| 2012 Avalon | 1 | 3% |
| 2011 Avalon | 2 | 2% |
| 2010 Avalon | 2 | 4% |
| 2009 Avalon | 2 | 2% |
| 2008 Avalon | 13 | 4% |
| 2007 Avalon | 23 | 9% |
Other reported problem areas on the 2019 Toyota Avalon
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.