2026 Hyundai Sonata technical service bulletins
19 technical service bulletins and manufacturer communications cover the 2026 Hyundai Sonata, including 6 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Transmission oil leak at the bottom of the valve body cover due to a loose oil level plug that could...
- Transmission oil leak at the bottom of the valve body cover due to a loose oil level plug that could...
- Fuel filler door that is difficult to open due to the push-type opener mechanism
- Fuel filler door that is difficult to open due to the push-type opener mechanism
- Intermittent battery discharge condition due to the air conditioning controller not fully powering down...
- Intermittent battery discharge condition due to the air conditioning controller not fully powering down...
- This bulletin provides information related to the navigation and head unit software changes introduced in...
- Some Hyundai vehicles may be equipped with a parking distance warning (PDW) sensor(s) that may trigger...
- Higher-than-expected engine oil consumption
- Higher-than-expected engine oil consumption
- This bulletin provides information related to a Transmission Control Unit (TCU) software update for some...
- The federal safety agency has issued an urgent safety advisory regarding dangerous, counterfeit...
- The federal safety agency has identified the presence of substandard and dangerous driver’s-side airbag...
- Loss of connectivity or interruptions in the middle of using Bluelink functions
- Certain warning lights and trigger DTC C272246 fault code for the front camera
- Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1302
- This bulletin provides information regarding condensation related to the accumulated moisture in the...
- Battery drain due to the air conditioning controller not shutting down completely while the vehicle is...
- Battery drain due to the air conditioning controller not shutting down completely while the vehicle is...
VIN decoder
See the problems and recalls for an exact car
Buying a used 2026 Hyundai Sonata?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history