2021 Tesla Model S electrical system problems
25 owner complaints filed with NHTSA name the electrical system on the 2021 Tesla Model S — 14% of all complaints for this model year.
What owners report
“The contact owns a 2021 Tesla Model S. The contact received notification of NHTSA Campaign Number: 22V045000 (ELECTRICAL SYSTEM, SEAT BELTS); and requested to be removed from the recall distribution list. The local dealer and manufacturer were contacted.”
filed Mar 9, 2026
“The contact owns a 2021 Tesla Model S. The contact stated that while the vehicle was parked, the vehicle was connected to the charging port and independently went into Race mode. The contact stated that the charge increased from 0 to 60 instantly. The vehicle was taken to the dealer, where it was…”
filed Aug 5, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Hood latch assembly may fail to detect an unlatched hood condition after the hood has…Campaign 24V554000 · Jul 24, 2024
- 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
- A software error may cause a valve in the heat pump to open unintentionally and trap the…Campaign 22V050000 · Feb 2, 2022
Related service bulletins
On certain Model S and Model X vehicles, the HV battery umbrella valves, over time, may become damaged due to road debris. Replace all 5 umbrella valves with updated parts. This new revision, R1, updates the affected…
SB-25-16-004 · Service Bulletin/Repair Instructions · issued Sep 3, 2025On certain Model S and Model X vehicles built between approximately January 2021 and September 22, 2022, the High Voltage (HV) battery ports’ plungers intended for internal water leak egress (also known as flood ports)…
SB-25-16-002 · Service Bulletin/Repair Instructions · issued Sep 2, 2025On certain Model S and Model X vehicles, the HV battery umbrella valves, over time, may become damaged due to road debris.
SB-25-16-004 · Service Bulletin/Repair Instructions · issued Jun 4, 2025Messaging sent directly to customers who have queued with Tesla Service to perform Service Bulletin SB-25-16-002 "Replace Flood Port Plungers". The customer is informed that their vehicle is in queue to receive parts…
N/A · Other · issued May 13, 2025Proactive messaging sent directly to customers affected by Service Bulletin SB-25-16-002 "Replace Flood Port Plungers". The customer is informed that their vehicle is impacted by Service Bulletin SB-25-16-002, the…
N/A · Other · issued May 13, 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% |
| 2020 Model S | 7 | 9% |
| 2019 Model S | 4 | 9% |
| 2018 Model S | 34 | 20% |
| 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 2021 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.