There are 3 stored owner reports matching the powertrain & transmission leading-label group for the 2005 Hyundai Sonata in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2005 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE STARTED TO JERK WHEN CONTACT TRIED TO CHANGE LANES. THE VEHICLE WAS MERGED TO THE SIDE OF THE ROAD, THE CHECK ENGINE LIGHT ILLUMINATED AND THE VEHICLE STALLED. THE VEHICLE FAILED TO RESTART AND THE VEHICLE WAS TOWED TO CONTACT'S RESIDENCE. THIS FAILURE RECURRED TEN TIMES OVER A PERIOD OF SEVEN MONTHS. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 50,000.
PLACED IN REVERSE, THE CAR STOPPED MOVING, EVEN WHEN ACCELERATING HYUNDAI ALREADY HAD TO REPLACE A FAULTY TRANSMISSION AT 34,000 MILES. THEY ARE REFUSING TO REPLACE IT AGAIN. *TR
CHECK ENGINE LIGHT COME ON WHEN IT RAINS 2005 SONATA AND TRANSMISSION WON'T SHIFT TILL THE LIGHT GOES OUT. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.