2018 Tesla Model 3 power train problems
29 owner complaints filed with NHTSA name the power train on the 2018 Tesla Model 3 — 3% of all complaints for this model year.
What owners report
“While my wife was driving, the high-voltage battery failed and the car went into reduced power/limp mode. Tesla later determined that coolant had gotten into the high-voltage battery and caused it to fail. My main concern is that we had no warning that there was a coolant leak or that coolant was…”
filed Sep 6, 2026
“I am reporting a front suspension failure on my 2018 Tesla Model 3 Dual Motor, that appears relevant to NHTSA Preliminary Evaluation PE26006 and similar to Recall 23V-235. While driving slowly in a parking lot, I heard a clunk and felt the front wheel/steering alignment become slightly skewed…”
filed Aug 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Power Train problems in other Model 3 years
| Year | Reports | Share |
|---|---|---|
| 2025 Model 3 | 2 | 2% |
| 2024 Model 3 | 3 | 1% |
| 2023 Model 3 | 10 | 2% |
| 2022 Model 3 | 13 | 2% |
| 2021 Model 3 | 17 | 3% |
| 2020 Model 3 | 8 | 2% |
| 2019 Model 3 | 10 | 2% |
Other reported problem areas on the 2018 Tesla Model 3
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.