2020 Subaru Ascent Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system ranks on this vehicle
Share of the 316 complaints citing each category; one complaint can cite several. Full breakdown on the 2020 Subaru Ascent overview page.
What owners report
“THE VEHICLE STARTED BEEPING WHILE IT WAS OFF AND SITTING IN THE CARPORT. UPON FURTHER INSPECTION, THE BEEPING WAS COMING FROM THE REAR LIFT GATE…”NHTSA complaint 11414031 — filed 04/26/2021
“15000 MILES AND BATTERY COMPLETELY DEAD AND LEFT ME STRANDED. VEHICLE WAS PARKED OVERNIGHT AND WOULD NOT TURN ON. HAD TO GET TOWED TO DEALERSHIP”NHTSA complaint 11412876 — filed 04/19/2021
“I AM DOING SHORT HAUL DRIVING AND MY BATTERY DRAINS AND EVENTUALLY GOES DEAD. I DO A LONGER DRIVE WHEN I EXPERIENCE SLOW ENGINE TURNOVER…”NHTSA complaint 11408619 — filed 04/18/2021
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2020 Subaru Ascent have electrical system problems?
Electrical System is the most-reported problem area on the 2020 Subaru Ascent: 101 of 316 complaints on file (32%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2020 Subaru Ascent have in total?
316 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 6 involved a crash, 1 involved a fire, 5 reported injuries, and none reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.
