2018 Tesla Model S electrical system problems
34 owner complaints filed with NHTSA name the electrical system on the 2018 Tesla Model S — 20% of all complaints for this model year.
What owners report
“Our doors completely locked inside our garage. We could not get in the car at all, even after a technician came to replace the low voltage battery. Only after replacing the low voltage battery was someone able to get into the car. However, that low voltage battery did not fix the core issue the car…”
filed Sep 16, 2025
“On [XXX], I was driving my recently purchased 2018 Tesla Model S (VIN: [XXX], mileage approx. [30,536]). The vehicle was purchased directly through Tesla’s app in late August 2025 and delivered to me the same day of the incident. Approximately 4.5 hours after delivery, while driving with my son…”
filed Sep 9, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- An incorrect font size is displayed on the instrument panel for the Brake, Park, and…Campaign 24V051000 · Jan 30, 2024
- In certain circumstances when Autosteer is engaged, the prominence and scope of the…Campaign 23V838000 · Dec 12, 2023
Related service bulletins
On certain Model S and Model X vehicles, the battery powered Pyrotechnic High Voltage (HV) Battery Disconnect will reach the end of its battery lifespan in the near future, which will trigger alerts and may limit the…
SB-25-16-003 · Service Bulletin/Repair Instructions · issued Jun 3, 2025
Electrical System problems in other Model S years
| Year | Reports | Share |
|---|---|---|
| 2024 Model S | 7 | 18% |
| 2023 Model S | 8 | 7% |
| 2022 Model S | 16 | 12% |
| 2021 Model S | 25 | 14% |
| 2020 Model S | 7 | 9% |
| 2019 Model S | 4 | 9% |
| 2017 Model S | 112 | 27% |
| 2016 Model S | 148 | 23% |
| 2015 Model S | 264 | 40% |
| 2014 Model S | 132 | 36% |
| 2013 Model S | 195 | 42% |
| 2012 Model S | 37 | 61% |
Other reported problem areas on the 2018 Tesla Model S
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.