2020 Hyundai Sonata problems, complaints & recalls
Most-reported problem areas: Fuel/Propulsion System (29) · Power Train (20) · Structure:body (13)
🧭 Reliability snapshot
Compared against other Hyundai Sonata model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
54 NHTSA complaints that reported an odometer reading.
Safety recalls (4)
Fuel System, Gasoline 2025-11-17 · campaign 25V796000 · 85,043 vehicles
Defect: Hyundai Motor America (Hyundai) is recalling certain 2020-2023 Sonata vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.
Risk: A melted fuel tank can leak, increasing the risk of a fire.
Fix: Dealers will inspect and replace the check valve. The fuel tank assembly will be inspected for damage and replaced if necessary. Additionally, dealers will inspect and update the engine control unit software. All repairs will be performed as necessary, free of charge. Owner notification letters were mailed beginning March 13, 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 286. Vehicle Identification Numbers (VINs) involved in this recall
Latches/Locks/Linkages:trunk Lid:latch 2022-03-28 · campaign 22V196000 · 63,461 vehicles
Defect: Hyundai Motor America (Hyundai) is recalling certain 2020 Sonata and Sonata Hybrid, and 2019 Genesis G70 vehicles. The trunk latch may become damaged, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 401, "Internal Trunk Release."
Risk: A person inside the trunk compartment may become trapped, increasing their risk of injury.
Fix: Dealers will inspect the trunk latch and replace the trunk latch base, as necessary, free of charge. Owner notification letters were mailed May 26, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 221/010G.
Electrical System:software 2020-04-09 · campaign 20V213000 · 11,870 vehicles
Defect: Hyundai Motor America (Hyundai) is recalling certain 2020 Nexo and Sonata vehicles. The Remote Smart Parking Assist (RSPA) software may fail to prevent vehicle movement upon detection of an RSPA system malfunction.
Risk: Unintended vehicle movement increases the risk of a crash.
Fix: Hyundai will notify owners, and dealers will reprogram the RSPA software, free of charge. The recall began June 3, 2020. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 191.
Equipment:other:labels 2020-02-28 · campaign 20V122000 · 5,044 vehicles
Defect: Hyundai Motor America (Hyundai) is recalling certain 2020 Sonata vehicles produced between October 22, 2019 and February 13, 2020. The tire pressure label inside the driver's door and the owner's manual state an incorrect tire size. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 110, "Tire Selection and Rims."
Risk: The incorrect tire information may mislead the vehicle owner to install the wrong tire size, potentially affecting vehicle handling, increasing the risk of a crash.
Fix: Hyundai will notify owners, and dealers will install new label stickers over the tire pressure label and in the owner's manual, free of charge. The recall began April 22, 2020. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 190.
Service bulletins (103)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-10-27 · 26-GI-003H · Service Bulletin/Repair Instructions
this bulletin provides information related to the navigation and head unit software changes introduced in the 2026 2nd navigation map and software update. the changes may vary depending on vehicle type, model, and navigation system. refer to the 2026 2nd navigation map and software update key improv
Back Over Prevention: Warnings 2026-10-15 · 26-GI-004H · Service Bulletin/Repair Instructions
some hyundai vehicles may be equipped with a parking distance warning (pdw) sensor(s) that may trigger various dtcs and display warning messages on the instrument cluster, resulting in the pdw sensor(s) failing to detect nearby objects or triggering multiple false alarms. this condition may be a res
Engine 2026-10-08 · 26-EM-016H TSB · Service Bulletin/Repair Instructions
some vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. this bulletin outlines the combustion chamber cleaning procedure for vehicles diagnosed with this condition. all internal combustion engines consume some engine oil during normal operatio
Engine 2026-10-07 · 26-EM-015H TSB · Service Bulletin/Repair Instructions
certain vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. this bulletin provides the inspection and repair procedures for vehicles exhibiting this condition. all internal combustion engines consume engine oil as part of normal engine operatio
Air Bags 2026-04-10 · DTN DL · Other
the national highway traffic safety administration (nhtsa) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by jilin province detiannuo automobile safety system co., ltd. (dtn). these inflators were not supplied, approved, or authorized by the vehi
Air Bags 2026-04-10 · DTN DCS · Other
the national highway traffic safety administration (nhtsa) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by jilin province detiannuo automobile safety system co., ltd. (dtn), that have been identified in u.s. vehicles following prior
Showing the 6 most recent of 103 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-23 · Unknown Or Other“my car is showing the same issues as the recall 271 campaign 24v-879 but my vin is not included in the recall. my reverse camera is showing a black screen with the guidelines when the vehicle is put into reverse …”
2026-10-19 · Fuel/Propulsion System“the car has strong fuel smell in the cabin when tank is full, it is especially strong after car sits. i have taken to hyundai several times for this problem. they say the computer says nothing is wrong. they refuse to investigate as they dont smell the odor.…”
2026-10-16 · Structure:body“ upon arriving home i noticed that the paint was missing from the back passenger side & when i left the parking lot before heading home there was no paint missing. …”
2026-10-15 · Service Brakes“vehicle experienced intermittent, severe powertrain defect resulting in a critical safety hazard. between 30k and 36k miles, the vehicle underwent 3 violent highway deceleration episodes. during these events, the engine began shaking, escalating to violent shaking; with deceleration and coming to a stop, it would shake, then sputter as if it woul…”
2026-09-07 · Electrical System“a/c blower motor fan would stop working. happened twice within less than a year apart. upon further inspection, multi fuse wiring overheated and melted, ruining fuse and making a/c stop working during 100+ temperatures outside. apparently this is a well known issue with this make and model sonata. electrical failure. …”
2026-09-03 · Engine“the a/c evaporator core and the core seal needs replacing on 2020 hyundai sonata. car is 6 years old. i already have a confirmed diagnosis with a ppm refrigerant leak tester at the condensate drain line the diagnosis is 100% confirmed. the evaporator is leaking heavily—we pulled 274 ppm at the drain tube and 177 ppm inside the cabin behind the glov…”
2026-09-03 · Power Train“i am submitting a safety complaint regarding a recurring, unresolved electrical defect in my 2020 hyundai sonata sel. the vehicle fails to recognize when the ignition is switched off, leaving core vehicle systems active and causing severe parasitic battery drain that leaves the car immobilized. description of the problem: false "on" status: aft…”
2026-08-26 · Service Brakes · 💥 crash“parking malfunction. parked, running car moved itself to reverse and backed up a driveway crossing a dirt road and hitting a fence and post. this car could have hit and severely injured anyone who was in the path while it was reversing on its own. car was in reverse and all parking sensors were blaring when the car was found minutes later.…”
2026-08-23 · Back Over Prevention: Sensing System: Camera“the reverse camera only shows a black screen and will put drivers in danger while not being able to see behind them while reversing. this needs to be recalled and repaired. especially in situations where a person is reversing out of a driveway onto a major/busy road. sometimes it works, but a lot of the time it is just a black screen with the green…”
2026-08-23 · Visibility/Wiper“blower motor malfunction at night. smelled something burning. extremely hot and humid outside. windows fogged up inside which greatly reduced visibility. checked the multifuse which controls the abs, oil pump, cooling fan, & blower. i discovered a burnt connection on one of the terminals for the blower. this is a huge safety and fire risk and n…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.