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 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 announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability. (This is an revised version of the orignal bulletin.)
16-156-25R · Service Bulletin/Repair Instructions · issued Jun 2, 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 | 4 | 9% |
| 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.