I have about 1600mi and have had to jumpstart the ascent 5 times. The dealer says everything checks out, but I continue to have issues with starting the car.
2020 Subaru Ascent electrical problems
moderate 98 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
98
Recalls
0
Avg fix
$850
1fire
When does it fail?
Of the 98 electrical complaints filed for the 2020 Subaru Ascent, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Electrical accounts for 31% of every owner complaint on file for this vehicle — the dominant problem area across 9 categories tracked.
Owners have filed 98 electrical complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
What owners are reporting 7 most recent
The rear liftgate on our 2020 Subaru Ascent opened on its own during the night of 12/18/21, resulting in a drained battery. The tech dispatched by Subaru roadside assistance stated that there is a software problem resulting in these doors falsly detecting an obstruction and opening the liftgate, which results in a drained battery. The Subaru dealer stated that they could not replicate the problem…
Started having electrical and audio glitches ultimately causing the battery to completely drain
My Subaru ascent 2020 is just 4 mos old and is currenlty at 6kmiles odometer reading. Speaker system stopeed working twice already. Amplifier getting hot even when the car is not used. Last night the car wont start and and all the light inside and out just flickered for a few minutes then died. Had to call roadside assistance to have it jump started. So yeah a 4 month ikd car with battery and…
This is the second time I've had a dead battery problem with my 2020 Subaru Ascent. The first time was 4/2021 and they replaced the battery. The second time is today - dead battery, could not charge or jump start. Tow truck coming to take it to a Subaru dealer.
The care continues to drain power resulting in dead battery. We have had continuous issues since purchasing the vehicle. The Dealer even installed a higher quality battery and due to Subaru admitting tot the problem. However this has not resolved the issue. The vehicle has been inspected multiple times at a factory dealer. We can't be in and out of the care while parked for 45 minutes.…
The contact owns a 2020 Subaru Ascent. The contact received an email regarding NHTSA Campaign Number: 22V907000 (Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had…
Had electrical trouble with your 2020 Subaru Ascent?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2020 Subaru Ascent?
It's a documented issue but not catastrophic. 98 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Across the 50 complaints that reported odometer mileage, most electrical failures cluster between 3,228 and 10,593 miles, with the median around 6,000. A quarter of owners report trouble before 3,228; a quarter make it past 10,593. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Subaru/Ascent.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.