2021 Subaru Outback 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 291 complaints citing each category; one complaint can cite several. Full breakdown on the 2021 Subaru Outback overview page.
What owners report
“Car won't start. Battery drained after in garage overnight. The lights weren't left on and keys far from car. This same thing happened after leaving…”NHTSA complaint 11444463 — filed 12/20/2021
“Purchased vehicle 1/2021. Currently has 8500 miles. For the past few months the dash/navigation system intermittently shuts down. Lose everything including speed/cruise/gps/radio. After a few…”NHTSA complaint 11443735 — filed 12/14/2021
“Battery dead after leaving in garage for a day. Happened three times and I brought it to dealer, and they charged battery and said it…”NHTSA complaint 11443722 — filed 12/14/2021
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2021 Subaru Outback have electrical system problems?
Electrical System is the #2 most-reported problem area on the 2021 Subaru Outback: 69 of 291 complaints on file (23.7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2021 Subaru Outback have in total?
291 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 8 involved a crash, 1 involved a fire, 3 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.