2021 Subaru Crosstrek electrical system problems
15 owner complaints filed with NHTSA name the electrical system on the 2021 Subaru Crosstrek — 13% of all complaints for this model year.
What owners report
“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
“The DCM on our 2021 Subaru Crosstrek is causing a parasitic drain on the battery. It left us stranded several times. We replaced the battery twice in the past 15 months. There is a class action lawsuit against Subaru for this exact problem, but they won't replace it on our vehicle because it has…”
filed Jun 10, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin announces the design change made to the high-pressure fuel pump developed to prevent DTC P0087 (Fuel Rail/System Pressure – Too Low Bank 1). (This is an revised version of the original bulletin.)
09-123-24R · Service Bulletin/Repair Instructions · issued Jul 28, 2026This bulletin provides new diagnostic steps for DTC P0851 and P0852 to be used in conjunction with the applicable Service Manual.
16-159-26 · Service Bulletin/Repair Instructions · issued Jul 23, 2026This bulletin provides new diagnostic steps for DTC P0851 and P0852 to be used in conjunction with the applicable Service Manual.
16-159-26 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
Electrical System problems in other Crosstrek years
| Year | Reports | Share |
|---|---|---|
| 2025 Crosstrek | 5 | 12% |
| 2024 Crosstrek | 7 | 6% |
| 2023 Crosstrek | 5 | 16% |
| 2022 Crosstrek | 4 | 14% |
| 2020 Crosstrek | 10 | 15% |
| 2019 Crosstrek | 52 | 18% |
| 2018 Crosstrek | 32 | 16% |
| 2017 Crosstrek | 17 | 18% |
| 2016 Crosstrek | 37 | 28% |
| 2013 Crosstrek | 5 | 20% |
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.