2020 Toyota Corolla power train problems
36 owner complaints filed with NHTSA name the power train on the 2020 Toyota Corolla — 12% of all complaints for this model year.
What owners report
“Design issue: The 12th-generation (E210) Corolla manual transmission utilizes a CSC unit containing plastic/ABS components that owners and forum communities frequently cite as a weak point prone to premature leakage and mechanical failure. This occured to my corolla on a roadway and presented a…”
filed Jul 31, 2026
“The contact owns a 2020 Toyota Corolla. The contact stated that while driving at an undisclosed speed, the clutch failed to operate as intended. The contact stated that the clutch seized, and the RPM increased. No warning lights were illuminated. The vehicle was taken to the dealer; however, the…”
filed Jun 29, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Corolla years
| Year | Reports | Share |
|---|---|---|
| 2025 Corolla | 2 | 7% |
| 2024 Corolla | 7 | 11% |
| 2023 Corolla | 6 | 8% |
| 2022 Corolla | 15 | 16% |
| 2021 Corolla | 19 | 10% |
| 2019 Corolla | 52 | 26% |
| 2018 Corolla | 12 | 9% |
| 2017 Corolla | 14 | 8% |
| 2016 Corolla | 22 | 10% |
| 2015 Corolla | 30 | 14% |
| 2014 Corolla | 26 | 10% |
| 2013 Corolla | 9 | 4% |
Other reported problem areas on the 2020 Toyota Corolla
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.