Toyota TSB #T-TT-0580-19
2020 Toyota Avalon
Affected Component: POWER TRAIN
- TT: Some 2018-2020 model year UA80/UB80 transmission equipped models may experience a leak from the Transmission Side Cover. This issue is currently under investigation. Vehicles are being sought regardless of months in service or mileage. Only seeking vehicles with leaking transmissions with no other signs of damage to the side cover.