2018 Subaru Impreza electrical system problems
12 owner complaints filed with NHTSA name the electrical system on the 2018 Subaru Impreza — 8% of all complaints for this model year.
What owners report
“My vehicle has repeatedly displayed a “low tire pressure” warning despite having been serviced twice for this issue. In addition, there is an open case with Subaru of America regarding ongoing performance concerns – fuel tank?! In addition, I have reported both verbally and in writing to the…”
filed Nov 18, 2025
“The Starlink head unit, produced by HK, is having the same issues that the WUA86 update should have fixed. It was reprogrammed in 2019, and less than 1 year later when my wife bought it, it was having the same reported glitches. I.E. randomly turning off and on, not connecting to Bluetooth/usb…”
filed Jun 12, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- Engine Control Module (ECM) may continue to power the ignition coil after the engine is…Campaign 21V264000 · Apr 15, 2021
- Engine Control Module (ECM) may continue to power the ignition coil after the engine is…Campaign 19V743000 · Oct 18, 2019
Related service bulletins
This Announcement provides diagnostic assistance for CVT issues.
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…
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 Impreza years
| Year | Reports | Share |
|---|---|---|
| 2024 Impreza | 3 | 10% |
| 2020 Impreza | 4 | 5% |
| 2019 Impreza | 19 | 10% |
| 2017 Impreza | 21 | 17% |
| 2016 Impreza | 14 | 19% |
| 2015 Impreza | 20 | 26% |
| 2014 Impreza | 17 | 16% |
| 2013 Impreza | 33 | 13% |
| 2012 Impreza | 30 | 12% |
| 2011 Impreza | 9 | 16% |
| 2010 Impreza | 5 | 11% |
| 2009 Impreza | 8 | 8% |
Other reported problem areas on the 2018 Subaru Impreza
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.