Hyundai Sonata TSBs — Technical Service Bulletins by Year
3,311 manufacturer communications are on file with NHTSA for the Hyundai Sonata — service bulletins, service campaigns, warranty extensions, and software updates, 1990 to 2026. Pick a year for its bulletin list.
A TSB is factory repair guidance, not a recall — the repair is not automatically free. For defects and free repairs, see the Hyundai Sonata problem rankings and each year's recall list.
Warranty extensions, campaigns & software updates
The communications worth checking your VIN against — unlike ordinary bulletins, these can mean free or reimbursed work if your vehicle qualifies.
Certain Sonata (DN8) vehicles may exhibit a transmission oil leak at the bottom of the valve body cover due to a loose oil level plug that could potentially lead to a total failure of the automatic transmission. Technical Service Bulletin (TSB) 26-01-060H instructions to inspect…
Certain Sonata (DN8) vehicles may exhibit a transmission oil leak at the bottom of the valve body cover due to a loose oil level plug that could potentially lead to a total failure of the automatic transmission. This bulletin provides instructions to inspect the oil level plug…
Certain 2026MY Sonata (DN8) and 2026MY Sonata Hybrid (DN8 HEV) vehicles may exhibit a fuel filler door that is difficult to open due to the push-type opener mechanism. Technical Bulletin (TSB) 26-01-057H provides instructions to inspect the fuel filler door push opener and, if…
Model years named: 2026
Certain Sonata (DN8) and Sonata Hybrid (DN8 HEV) vehicles may exhibit a fuel filler door that is difficult to open due to the push-type opener mechanism. This bulletin provides instructions to inspect the fuel filler door push opener and, if necessary, replace the component to…
Model years named: 2026
Certain 2024-2026MY Sonata (DN8) and 2024-2026MY Sonata Hybrid (DN8 HEV) vehicles may exhibit intermittent battery discharge condition due to the air conditioning controller not fully powering down after the vehicle is turned off and parked. Technical Service Bulletins (TSB)…
Certain Sonata (DN8) vehicles may exhibit intermittent battery discharge condition due to the air conditioning controller not fully powering down after the vehicle is turned off and parked. This bulletin provides the procedure to update the ATCU (Air Temperature Control Unit)…
Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides instructions for updating the Engine Control Module (ECM) to address this condition.
Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed…
Following completion of Service Campaign 9C2 (Theta II Emissions Improvement), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start operation. If present, this condition is expected to occur only within approximately the first 1-3 minutes…
Following completion of Service Campaign 9C2 (Theta II Emissions Improvement), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start operation. If present, this condition is expected to occur only within approximately the first 1-3 minutes…
Some Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The paint warranty coverage for affected vehicles has been extended to 10 years/unlimited miles from the…
Certain Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The paint warranty coverage for affected vehicles has been extended to 10 years/unlimited miles from the…
Bulletins by model year
| Year | TSBs | Most bulletined areas | |
|---|---|---|---|
| 2026 | 15 | Electrical, Transmission & drivetrain | View bulletins |
| 2025 | 27 | Electrical, Transmission & drivetrain | View bulletins |
| 2024 | 32 | Electrical, Engine | View bulletins |
| 2023 | 50 | Electrical, Engine | View bulletins |
| 2022 | 78 | Transmission & drivetrain, Electrical | View bulletins |
| 2021 | 88 | Transmission & drivetrain, Engine | View bulletins |
| 2020 | 99 | Engine, Electrical | View bulletins |
| 2019 | 166 | Engine, Electrical | View bulletins |
| 2018 | 204 | Engine, Electrical | View bulletins |
| 2017 | 227 | Electrical, Engine | View bulletins |
| 2016 | 227 | Engine, Electrical | View bulletins |
| 2015 | 250 | Engine, Electrical | View bulletins |
| 2014 | 178 | Electrical, Engine | View bulletins |
| 2013 | 179 | Electrical, Engine | View bulletins |
| 2012 | 177 | Electrical, Engine | View bulletins |
| 2011 | 227 | Electrical, Engine | View bulletins |
| 2010 | 50 | Transmission & drivetrain, Engine | View bulletins |
| 2009 | 61 | Engine, Transmission & drivetrain | View bulletins |
| 2008 | 53 | Engine, Transmission & drivetrain | View bulletins |
| 2007 | 58 | Engine, Electrical | View bulletins |
| 2006 | 87 | Transmission & drivetrain, Engine | View bulletins |
| 2005 | 47 | Transmission & drivetrain, Electrical | View bulletins |
| 2004 | 52 | Transmission & drivetrain, Engine | View bulletins |
| 2003 | 76 | Transmission & drivetrain, Engine | View bulletins |
| 2002 | 88 | Transmission & drivetrain, Engine | View bulletins |
| 2001 | 86 | Transmission & drivetrain, Engine | View bulletins |
| 2000 | 87 | Transmission & drivetrain, Engine | View bulletins |
| 1999 | 122 | Transmission & drivetrain, Engine | View bulletins |
| 1998 | 36 | Engine, Transmission & drivetrain | View bulletins |
| 1997 | 47 | Engine, Transmission & drivetrain | View bulletins |
| 1996 | 41 | Engine, Transmission & drivetrain | View bulletins |
| 1995 | 34 | Transmission & drivetrain, Engine | View bulletins |
| 1994 | 14 | Engine, Transmission & drivetrain | View bulletins |
| 1993 | 14 | Engine, Transmission & drivetrain | View bulletins |
| 1992 | 13 | Engine, Electrical | View bulletins |
| 1991 | 11 | Engine, Transmission & drivetrain | View bulletins |
| 1990 | 10 | Engine, Transmission & drivetrain | View bulletins |
Questions buyers ask
How many TSBs does the Hyundai Sonata have?
NHTSA's manufacturer-communications file lists 3,311 technical service bulletins and related communications for the Hyundai Sonata across the 1990–2026 model years. The most bulletined areas are engine, electrical, transmission & drivetrain.
Are Hyundai Sonata TSB repairs free?
Not automatically. A TSB tells dealers how to fix a known pattern; you pay unless the vehicle is under warranty or the bulletin is a warranty extension or service campaign that covers your VIN. Recall repairs, by contrast, are always free.
How do I get the full text of a Hyundai Sonata TSB?
Take the bulletin's document ID to a dealer or to NHTSA's site — this page carries each communication's ID, date, and NHTSA's summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Counts cover communications NHTSA's file names against Hyundai Sonata model years shown here. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.