My sonata has started stalling and shutting down without warning. The first time it happed was dec 12th. I just finished accelerating from about 35mph to 60mph. There the vehicle made a loud thump and the engine shut down. Seconds later I lost power steering, dash lights, and headlights. The car restarted without issue. The same problem happened on dec. 16th while traveling at a constant…
2015 Hyundai Sonata electrical problems
severe 140 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
140
Recalls
0
Avg fix
$850
3crashes
15fires
7injuries
When does it fail?
Of the 140 electrical complaints filed for the 2015 Hyundai Sonata, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Owners have filed 140 electrical complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
No new NHTSA electrical complaint has been filed on this vehicle in over 8 years — the issue may be aging out of the active population.
What owners are reporting 3 most recent
Check engine light on. Taken to hyundai dealership for recall repairs. At the time, 3 recalls on vehicle. Informed that check engine light was on due to recalls. Dealership kept car for 1½ weeks and notified me that 1 recall (filter) was not completed because parts are on back order. Dealership had me pick up vehicle and said that it is okay to drive car; however, after calling another…
My break went out while trying to make a stop.
Had electrical trouble with your 2015 Hyundai Sonata?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2015 Hyundai Sonata?
It's a meaningful issue. 140 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Across the 65 complaints that reported odometer mileage, most electrical failures cluster between 20,917 and 80,130 miles, with the median around 57,641. A quarter of owners report trouble before 20,917; a quarter make it past 80,130. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2015/Hyundai/Sonata.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.