2020 Toyota Corolla power train problems
38 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
“The CV joint, there is a clicking sound when sharp turns are make to include U-turns. Spoke with a mechanic and was instructed to reach out to the dealership and check for recall on it. I did see any but I see a Technical Service Bulletin ( TSB-0106-20) for 2015- 2021 Corolla models regarding a…”
filed Sep 15, 2026
“FAILED COMPONENT & AVAILABILITY: The manual transmission Concentric Slave Cylinder (CSC) failed internally. Due to caustic hydraulic fluid contamination and severe system pressure loss, I had to replace the internal CSC unit, the clutch disc, the pressure plate, the flywheel, the master clutch…”
filed Aug 6, 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 | 6% |
| 2024 Corolla | 8 | 13% |
| 2023 Corolla | 6 | 8% |
| 2022 Corolla | 17 | 17% |
| 2021 Corolla | 19 | 10% |
| 2019 Corolla | 54 | 27% |
| 2018 Corolla | 12 | 9% |
| 2017 Corolla | 15 | 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.