2025 Hyundai Sonata: Battery problem
Common wear/failure (not a recall)
Symptoms
Owners of the 2025 Sonata report: battery problem. CarComplaints.com lists 1 owner complaints, average mileage 9,400 miles.
NHTSA has 1 owner complaints for the 2025 Sonata in this area. Examples:
- NHTSA complaint ODI #11743044 (filed 06/09/2026): “The vehicle is stalling in the acceleration process. i can feel and hear the stall by the air conditioner going out or fading out when it happens while driving. pressing the gas and it barely moves at times. makes a noise now while running. unknown to whether …”
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: none clearly reported. 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
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .