2018 Subaru Forester electrical system problems
71 owner complaints filed with NHTSA name the electrical system on the 2018 Subaru Forester — 14% of all complaints for this model year.
What owners report
“On July 31, 2026, I was driving with my daughter when the a/c compressor clutch seized up and experienced a catastrophic compressor failure that also blew out the expansion valve o-rings. The failure led to a total loss of engine power and control of the vehicle. The car would not start back up…”
filed Sep 17, 2026
“Airbag light came on - dealership confirmed it is an occupant detection system failure - wiring harness has gone bad. No history of moisture exposure, which would leave faulty part as the problem. Similar to Subaru recall from 2020 on heated passenger seats - this vehicle was not included in that…”
filed Aug 18, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This 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…
15-308-23R · Service Bulletin/Repair Instructions · issued Aug 20, 2026This Bulletin has been developed to outline the steps for gathering basic but essential information during diagnosis of Infotainment concerns. (This is an revised version of the original bulletin.)
15-304-22R · Service Bulletin/Repair Instructions · issued Aug 13, 2026Techtips newsletter locator index.
Article Locator · Other · issued Aug 5, 2026This bulletin contains illustrations of exchange components and their manufacturer as well as a description of the proper exchange procedure. This is an revised version of the original bulletin
15-333-25R · Service Bulletin/Repair Instructions · issued Aug 1, 2026
Electrical System problems in other Forester years
| Year | Reports | Share |
|---|---|---|
| 2026 Forester | 4 | 19% |
| 2025 Forester | 8 | 9% |
| 2024 Forester | 1 | 3% |
| 2023 Forester | 7 | 10% |
| 2022 Forester | 10 | 10% |
| 2021 Forester | 33 | 16% |
| 2020 Forester | 101 | 17% |
| 2019 Forester | 134 | 16% |
| 2017 Forester | 106 | 18% |
| 2016 Forester | 93 | 23% |
| 2015 Forester | 82 | 13% |
| 2014 Forester | 42 | 10% |
Other reported problem areas on the 2018 Subaru Forester
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.