2009 Hyundai Sonata Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/14/2026
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 460 complaints citing each category; one complaint can cite several. Full breakdown on the 2009 Hyundai Sonata overview page.
What owners report
“HEADLIGHTS DIM BUT DON'T AUTOMATICALLY SHUT OFF WHEN TURNING OFF THE CAR THUS DRAINING BATTERY LEAVING DEAD CAR.”NHTSA complaint 10510268 — filed 05/01/2013
“THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT THE KEY WOULD NOT TURN OVER IN THE IGNITION. THE VEHICLE WAS LATER TOWED…”NHTSA complaint 10503480 — filed 03/18/2013
“THE CONTACT OWNS A 2009 HYUNDAI SONATA. THE CONTACT STATED THAT THE DRIVER OF THE VEHICLE ATTEMPTED TO TURN THE VEHICLE OFF BUT SHE WAS…”NHTSA complaint 10489443 — filed 12/21/2012
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2009 Hyundai Sonata have electrical system problems?
Electrical System is the #2 most-reported problem area on the 2009 Hyundai Sonata: 57 of 460 complaints on file (12.4%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2009 Hyundai Sonata have in total?
460 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 21 involved a crash, 11 involved a fire, 26 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.
