2020 Honda Odyssey power train problems
16 owner complaints filed with NHTSA name the power train on the 2020 Honda Odyssey — 4% of all complaints for this model year.
What owners report
“At roughly 5,000 miles, this 2020 Honda Odyssey was brought into an authorized Honda dealership due to transmission concerns. The dealership service department improperly evaluated the 10 speed transmission, and diagnosed a 9 speed transmission system, assured me that what I was feeling was…”
filed Aug 1, 2026
“The vehicle is a 2020 Honda Odyssey. A recurring and dangerous safety failure occurs involving the Auto Idle-Stop system. With the system enabled and the vehicle at a complete stop, the engine shuts off as designed. However, upon depressing the brake pedal to resume driving, the engine severely…”
filed Jul 16, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Odyssey years
| Year | Reports | Share |
|---|---|---|
| 2025 Odyssey | 25 | 9% |
| 2024 Odyssey | 11 | 13% |
| 2023 Odyssey | 3 | 3% |
| 2022 Odyssey | 14 | 11% |
| 2021 Odyssey | 6 | 5% |
| 2019 Odyssey | 122 | 13% |
| 2018 Odyssey | 159 | 17% |
| 2017 Odyssey | 7 | 18% |
| 2016 Odyssey | 38 | 14% |
| 2015 Odyssey | 41 | 20% |
| 2014 Odyssey | 73 | 24% |
| 2013 Odyssey | 14 | 7% |
Other reported problem areas on the 2020 Honda Odyssey
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.