2018 Subaru Legacy electrical system problems

40 owner complaints filed with NHTSA name the electrical system on the 2018 Subaru Legacy — 34% of all complaints for this model year.

Electrical System complaints

34%

share of all complaints

18,125 mi

median reported incident mileage

0 / 1

crash / fire reports

What owners report

“The vehicle on board video entertainment display has stopped working properly. It does not allow any input to the touch screen. And the only way to regain some functionality is by pressing the steering wheel source button. However it works intermittently. And this causes Driver Distraction while…”
filed Jul 8, 2026
“The factory Harman Kardon Starlink touchscreen infotainment system in my 2018 Subaru Legacy has experienced severe touchscreen delamination. The display has developed widespread bubbling beneath the glass and now generates repeated "ghost touches" without any driver input. The system activates…”
filed Jun 19, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

This 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
This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM) for certain vehicles equipped with 3.6L engines.
02-195-26 · Service Bulletin/Repair Instructions · issued Jun 1, 2026