2021 Toyota Avalon Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 5%of 21 total for the year
- Median mileage
- 2,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 2021 Toyota Avalon, 5% of the 21 complaints for this model year. Where a mileage was given, the median is 2,500 miles.
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.
“The contact owns a 2021 Toyota Avalon. The contact stated while diving approximately 50 MPH, the engine and transmission warning lights illuminated. The contact also stated that the windshield had detached from the frame. The contact stated that the rear doors were failing to close correctly. The contact stated the vehicle would roll with the brake pedal depressed before coming to a stop. While driving approximately 75 MPH, the steering wheel fractured and the air bags inadvertently deployed. Additionally, the headlamps and turn signals also failed to operate as needed. …”
NHTSA complaint #11479951, filed 2022-08, 2,500 milesRelated service bulletins
- 10201352Jul 6, 2021TT: Some 2014-2021 model year vehicles equipped with Dynamic Torque Control AWD system may experience a ?Noise? or ?Abnormal Operation? condition from the rear differential front…
- 10188917Feb 9, 2021TSB: Some 2021 model year Avalon, Highlander, and Camry vehicles equipped with UA80E or UA80F transmissions may exhibit a whine or grind noise from the transmission. This…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 1 | 5% |
| 2019 | 11 | 15% |
| 2018 | 1 | 4% |
| 2016 | 2 | 9% |
| 2015 | 2 | 5% |
| 2014 | 1 | 1% |
| 2013 | 3 | 2% |
| 2012 | 1 | 3% |
| 2011 | 2 | 2% |
| 2010 | 2 | 4% |
| 2009 | 2 | 2% |
| 2008 | 13 | 4% |
| 2007 | 23 | 9% |
| 2006 | 52 | 14% |
| 2005 | 33 | 14% |
| 2004 | 4 | 2% |
| 2003 | 6 | 2% |
| 2002 | 4 | 3% |
| 2001 | 9 | 7% |
| 2000 | 8 | 5% |
| 1999 | 4 | 4% |
| 1998 | 11 | 6% |
| 1997 | 9 | 7% |
| 1996 | 3 | 3% |
| 1995 | 4 | 5% |
Other parts of the 2021 Toyota Avalon
12 complaintsEngine
4 complaintsVehicle speed control
3 complaintsBrakes
2 complaintsForward collision avoidance
2 complaintsBack-over prevention (rear camera)
1 complaintsElectrical system
1 complaintsSeat belts
1 complaintsTires
1 complaints
← All problems reported for the 2021 Toyota Avalon
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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