2021 Subaru Crosstrek electrical system problems
16 owner complaints filed with NHTSA name the electrical system on the 2021 Subaru Crosstrek — 14% of all complaints for this model year.
What owners report
“There have been multiple instances where my car has failed to “restart” if the auto-start-stop feature is on. I immediately turn that setting off every time I get into my car because if I pause for too long at a light/stop sign etc.the engine will stall and turn off (without being in park). I have…”
filed Aug 24, 2026
“Was driving on highway when all of the lights on my dash illuminated. Eventually I got a warning for oil at temp alarm. Was giving code P2757 and P0700. Looks like this a common issue in Subarus but doesn’t look like it covers anything after 2020.”
filed Jul 31, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
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SubaruNet Announcement (C · Other · issued Aug 21, 2026This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is off, leading to no-start conditions or…
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15-333-25R · Service Bulletin/Repair Instructions · issued Aug 1, 2026
Electrical System problems in other Crosstrek years
| Year | Reports | Share |
|---|---|---|
| 2025 Crosstrek | 5 | 12% |
| 2024 Crosstrek | 8 | 7% |
| 2023 Crosstrek | 6 | 18% |
| 2022 Crosstrek | 4 | 13% |
| 2020 Crosstrek | 11 | 16% |
| 2019 Crosstrek | 53 | 19% |
| 2018 Crosstrek | 32 | 16% |
| 2017 Crosstrek | 17 | 18% |
| 2016 Crosstrek | 37 | 28% |
| 2013 Crosstrek | 5 | 19% |
Other reported problem areas on the 2021 Subaru Crosstrek
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.