2016 Hyundai Sonata engine problems
560 of the 883 complaints owners filed with NHTSA about the 2016 Hyundai Sonata name the engine (NHTSA’s “Engine” heading — the engine and its cooling system). Filed under the same heading: 161 manufacturer bulletins, 1 recall, 2 NHTSA investigations. Every figure below is a document in a federal file, linked; none is a failure rate, and none is a verdict on any one car.
What owners filed about the engine
Source: NHTSA complaint database1 of the 560 reports a crash · 21 a fire · 0 injuries. Self-reported, unverified.
Filed per year: 2016: 5 · 2017: 14 · 2018: 21 · 2019: 26 · 2020: 37 · 2021: 80 · 2022: 86 · 2023: 122 · 2024: 53 · 2025: 77 · 2026: 39
Half of the 192 owners who gave an odometer reading reported the engine problem between 45,000 and 106,000 miles. A median of reports, not the life of a part.
883 complaints in all about the 2016 Hyundai Sonata, 39 filed in 2026. The whole picture, every system →
Counts are owner reports to NHTSA, not verified defects, and scale with how many of these were sold; nothing here is a rate. NHTSA groups complaints coarsely, so “Engine” means the same area of the vehicle, not one fault.
Across model years: Hyundai Sonata engine problems, every year on file →
In owners’ own words
Source: NHTSA complaint databaseFiled with NHTSA by the people who own these cars, about the engine. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.
The contact owns a 2016 Hyundai Sonata Plug-In Hybrid. The contact stated that on three separate occasions while driving approximately 65 MPH, the “Check Hybrid System - Turn Off Engine” message was displayed. The check engine warning light illuminated. The contact then stated that the vehicle decelerated and went into LIMP Mode.
The contact owns a 2016 Hyundai Sonata Plug-In Hybrid. The contact stated while driving 70 MPH or faster in Hybrid Mode, the vehicle stalled. The HEV error warning light was displayed on the instrument panel. The check engine warning light was also illuminated.
In January of 2022, my vehicle experienced a complete power loss while driving to work, leaving the car coasting down the road. A Check Hybrid System warning came up on the dashboard, along with several other warning lights, including Check Engine. Luckily, I was able to pull over without an accident occurring.
The contact owns a 2016 Hyundai Sonata. The contact stated that while driving at high speeds, the vehicle loss motive power and stalled with the check engine warning light illuminated. The vehicle was pushed off the roadway with assistance from a bystander.
Despite ignition being turned off, gasoline engine continued to run. Vehicle was stationary in a garage after being driven 1/2 mile on a very hot day
What is on file about the engine
Source: NHTSA recalls, investigations and manufacturer communicationsRecall filed under this heading
- 20V746000 HighDec 1, 2020 · 128,948 vehicles
- Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Veloster, 2012 Santa Fe, 2011-2013 Sonata Hybrid, and 2016 Sonata Hybrid vehicles. The connecting rod bearings inside the engine may wear prematurely, which over time can result in engine damage.
NHTSA investigations
- DP22003 Loss of Motive Poweropened Sep 12, 2022 · closed Dec 12, 2023
- The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021. The Petitioners cited examples of complaints i…
- EA21003 Engine Firesopened Dec 22, 2021 · closed Feb 5, 2024
- On March 29, 2019, the Office of Defects Investigation (ODI) opened two Preliminary Evaluations (PE19-003 on Hyundai and PE19-004 on Kia) to broadly investigate incidents of non-crash fires (regardless of origin or operational status of the vehicle) on various model year Hyundai and Kia vehicles. During the PE investigations, Hyundai and Kia issued several recalls to address vehicle fires, includ…
161 manufacturer bulletins filed under this heading
- 26-EE-003H TSB Service bulletinApr 18, 2026
- Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch (solenoid) assembly.
- 26-01-033H TSB Warranty extensionMar 26, 2026
- This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H-2 (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the latest version.
- 26-01-033H DN Warranty extensionMar 26, 2026
- This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H (DTC P1326 – Engine Bearing Inspection/Engine Replacement) or the latest version.
The 3 newest are listed; every one is on the model year’s page. Quote the document number at a service desk — it is a diagnosis the maker has already written down.
Trouble codes named on this system
P1326 P200A P2600 P0605 P261F P0010 P0011 P0302
Codes a bulletin or an owner’s complaint about the 2016 Hyundai Sonata names on this model year; a code with a record of its own links it.
Other systems with a record on the 2016 Hyundai Sonata
Source: the same files- electrical problems 138 complaints
- transmission and drivetrain problems 76 complaints
- brake problems 55 complaints
Common questions
Source: NHTSA complaint database, recalls and manufacturer communicationsAre engine problems common on the 2016 Hyundai Sonata?
They are documented: NHTSA holds 560 owner complaints naming the engine on this model year (63% of everything owners filed about it), and 161 manufacturer bulletins, 1 recall, 2 NHTSA investigations are filed under the same heading. Whether it is a problem on one particular car is a diagnosis, not a count, and a count says nothing about how many were sold.
Is there a recall for the engine on the 2016 Hyundai Sonata?
Yes — one campaign is filed under this heading: 20V746000. A recall is matched by VIN; check yours at nhtsa.gov/recalls.
When do engine problems show up on the 2016 Hyundai Sonata?
Owners who gave an odometer reading reported it at a median of 78,000 miles; half of them between 45,000 and 106,000. That is when reports cluster, not the life of a part.
What does NHTSA's "Engine" heading cover?
The engine and its cooling system. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.