2022 Subaru Outback: Battery drain resulting in car not starting
Common wear/failure (not a recall)
Symptoms
Owners of the 2022 Outback report: battery drain resulting in car not starting. CarComplaints.com lists 13 owner complaints, average mileage 16,150 miles.
NHTSA has 52 owner complaints for the 2022 Outback in this area. Examples:
- NHTSA complaint ODI #11769442 (filed 10/06/2026): “My subaru often stalls when the start-stop function is happening such as when i stop at a traffic light. when i lift my foot off the break, the engine tries to restart, but stalls out. it happens at almost every stop. i had my battery tested and it is fine. th…”
- NHTSA complaint ODI #11764582 (filed 09/15/2026): “In september 2026, after a jump start, my vehicle's battery emitted a strong sulfur/rotten-egg odor, indicating overheating and overcharging. i was advised to shut it off immediately. the vehicle is now undrivable and parked, and i am concerned it presents a f…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: dealer replaced battery under warranty (2 reports) replaced battery (2 reports) faulty hatchback latch warranty replacement solved problem (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $200 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: Battery drain resulting in car not starting (2022 Outback)
- NHTSA complaints API, 2022 Outback
Page last updated .