2023 Subaru Ascent Electrical system Problems
- Complaints
- 4about this part
- Share
- 9%of 45 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 4 complaints about the electrical system of the 2023 Subaru Ascent, 9% of the 45 complaints for this model year. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The warning lights on the car flashed and the car shut down. I was on the highway. I called 911 and they told me to quickly and safely exit the car. Less than a minute later, the engine combusted and the car was engulfed in flames.”
NHTSA complaint #11649273, filed 2025-03“Only 3500 miles on new 2023 Subaru ASCENT and it won t start. I have had to give it a boost four times already, anytime I need to use it. I check to make sure there are no lights left on. Just staying parked from one day to the next and it won t start. I have an appointment at the dealer service dept. at 1:45 pm o June 5th, 2023, for them to hopefully resolve the problem. I'll have to give it boost to start the car and drive 125 miles to the dealer. Hope the car makes it there. On your website, the 2019, 2020and 2021 models had a recall for the battery draining because of faulty wiring. …”
NHTSA complaint #11525200, filed 2023-06“2023 Subaru Ascent, under manufacturer basic warranty. Factory OEM battery has repeatedly failed. Voltage drops below 11.5V in normal use. Three documented failures in six weeks. SAFETY INCIDENT: Vehicle died on a public street and became completely immobilized. Brake warning light activated. Vehicle would not move even after a jump start. Passengers had to exit in a live traffic lane. A second vehicle was used to transport a replacement battery. The original battery is in my possession and available for inspection. …”
NHTSA complaint #11733168, filed 2026-04“2024 Subaru Ascent – Intermittent Electrical / Ignition-Control Malfunction Vehicle: 2024 Subaru Ascent Mileage: Approximately 29,000 miles Chronology of Events August 19 Vehicle had been operating normally. First occurrence – grocery store •Returned to vehicle after shopping. •Opened rear hatch, loaded groceries and closed hatch. •Driver's door would not unlock using the key fob or by touching the keyless-access door handle. •Reopened and closed rear hatch to determine whether this would reset the condition. Driver's door still would not unlock. •Passenger door could be opened. …”
NHTSA complaint #11762923, filed 2026-09Related service bulletins
- 11037943Oct 5, 2026This announcement provides information on a new software update for the Midtronics Dss and DCA machines.
- 11037946Sep 29, 2026This Bulletin provides a diagnostic procedure for customer concerns about hesitation, reduced acceleration, or lack of power when driving uphill or under heavy engine load.
- 11037945Sep 29, 2026This Bulletin provides a repair procedure for increased dark current and unintended battery discharge that occurs in a small number of unique cases.
- 11037942Sep 28, 2026This announcement provides information on an enhancement of the TechShare CVT diagnostic assitance application.
- 11037929Sep 14, 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…
- 11037927Sep 14, 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…
- 11037925Sep 4, 2026This bulletin provides additional examples, diagnostics tips and installation tips as helpful aids to be used when working with sunroof seals and sunroof frame assemblies on…
- 11036804Aug 21, 2026This Announcement provides diagnostic assistance for CVT issues.
- 11036807Aug 20, 2026This Service Information Bulletin outlines a systematic procedure for diagnosing parasitic draw (dark/standby current) in vehicles experiencing battery drain when the ignition is…
- 11036803Aug 20, 2026This bulletin announces a reprogramming file availability and provides a software update installation procedure to optimize the new Gen 4.5 Denso CP1.5 Audio and Navigation head…
Electrical system: other model years
Other parts of the 2023 Subaru Ascent
10 complaintsOther or unknown
8 complaintsForward collision avoidance
7 complaintsVisibility (wipers, defrost, mirrors)
6 complaintsTires
5 complaintsAir bags
3 complaintsEngine
3 complaintsTransmission and drivetrain
3 complaintsVehicle speed control
3 complaintsLane departure
2 complaintsSeats
2 complaintsWheels
2 complaints
← All problems reported for the 2023 Subaru Ascent
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology