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2018 Hyundai Sonata Problems and Recalls
Owners filed 374 complaints with NHTSA about the 2018 Hyundai Sonata, most often about the engine (60% of complaints, typically around 24,000 miles). It is 12th of 27 Sonata model years by number of complaints and has 1 recall.
Most common 2018 Hyundai Sonata problems
Engine
224 complaints · 60%Half of these problems showed up before 24,000 miles. Parts named most often: engine.
On 2 different days the car killed on the highway. Both times the Hyundai service dept. Looked at it. The first time, they said the software update that was worked on a few months previous, had a glitch in it. The second time they said they didn't know why it happened. While driving the rpms will race up but the car…
The contact owns a 2018 Hyundai Sonata. While driving approximately 55 MPH, the vehicle shut off without warning. The vehicle restarted itself and would not exceed 20 MPH. The vehicle was driven to the contact's residence and later towed to johnson Hyundai of cary ([phone], located at 5000 old raleigh rd, cary, nc…
Electrical
60 complaints · 16%Half of these problems showed up before 21,500 miles. Parts named most often: wiring, 12v/24v/48v battery, starter assembly, instrument panel.
The contact owns a 2018 Hyundai Sonata. When the vehicle was started, it sputtered and failed to accelerate over 30 MPH. Also, the check engine warning indicator illuminated. The vehicle was towed to titus-will Hyundai (255 carriage loop sw, olympia, wa 98502, ([phone]) where it was diagnosed that the engine and…
I was exiting the freeway and lost power, could not accelerate, blinking engine came on and on my screen it said "a possible condition with you engine control system has been detected. A full system check recommended to be done when convenient. Please contact you local dealership for an appointment" I was able to get…
Other or unspecified
58 complaints · 16%Half of these problems showed up before 16,000 miles.
Rough vibration slowly coming up steering when braking to stop. Could be rotors or tires. Started a few months ago.
While driving crash warning, ABS, track and check brakes warning lights would come on. Hyundai dealer initially reflagged eco but lights came back. Dealer had car for several days and after checking with Hyundai tech center and got test codes c2402 c1741 and c1360 and system found connection at ABS module. Alleged fix…
Transmission
40 complaints · 11%Half of these problems showed up before 40,500 miles.
I get a hev warning telling me to shutdown my car. When this happens my vehival no longer engages the gas part of my motor, the car gives me multiple distracting noises. After turning the car off and back on immediately the gasoline side of my motor is working again.. P2600 pops up on my scanner and the check engine…
The contact the contact stated that when taken the vehicle for a service campaign repair and shortly after went for recall r the vehicle does not run properly on cold starts, the rpms increase rapidly and slow down, vehicle jerks forward once beginning to drive.. The vehicle does not have this issue once the vehicle…
Fuel system
33 complaints · 9%Half of these problems showed up before 92,000 miles.
The contact owns a 2018 Hyundai Sonata. The contact stated that while operating the vehicle, there was an abnormal fuel odor inside the vehicle. The vehicle was taken to the local dealer and was diagnosed with an inoperable low-pressure fuel pump. The contact was informed that the low-pressure fuel pump needed to be…
The contact owned a 2018 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, the vehicle sputtered, jerked, and lost motive power. The check engine warning light was illuminated. The vehicle was able to restart but made an abnormal ticking sound. The vehicle was taken to the dealer but was…
Lights
22 complaints · 6%Half of these problems showed up before 500 miles. Parts named most often: headlights.
The contact owns a 2018 Hyundai Sonata. While operating the vehicle at night with the low beam headlights failed to illuminate beyond two vehicle lengths in front of the vehicle. The failure was not diagnosed or repaired. The manufacturer and local dealer were not notified of the failure. The failure mileage was 1,700.
From the time of purchase in june 2018, the low beam headlights are aimed very low and project only 15 to 20 feet in front of the car. When traveling on dark roads, it allows for no reaction time to any hazards, such as animals our pedestrians. Hyundai claims it is designed to not blind oncoming drivers, but this…
Speed control
19 complaints · 5%Half of these problems showed up before 9,000 miles. Parts named most often: cruise control, accelerator pedal.
The contact owns a 2018 Hyundai Sonata. While driving at low speeds, the vehicle unintentionally accelerated and crashed into a pole. The air bags deployed. A police report was filed and there were no injuries. The vehicle was towed to carbone honda bennington (751 n bennington rd, bennington, vt 05201, ([phone]), but…
The contact owned a 2018 Hyundai Sonata. While driving approximately 5 MPH, the vehicle independently accelerated. The contact depressed the brake pedal, but it failed to slow down or stop the vehicle. The vehicle crashed into a palm tree. An incident report was filed, but not a police report due to the fact that…
Body and structure
17 complaints · 5%Parts named most often: body.
Driving north on interstate 530 in arkansas, about 40 miles south of clinton library there was a sudden explosion of glass from the sunroof. The internal visor was open and glass began to pour into my lap, shirt and the other seats in the vehicle. I screamed in fear and pulled over to the side of the road. There were…
I was I a parking and I opened the trunk, after that it was impossible to close it. The trunck latch failed. It has a plastic part that broke. I had to purchase a new one.
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2018 Hyundai Sonata recalls
Doors and locks: latch
Risk: A person inside the trunk compartment may become trapped, increasing their risk of injury.
Fix: Dealers will replace the trunk latch base, free of charge. Owner notification letters were mailed december 4, 2021. Owners may contact hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 208.
Full defect summary
Hyundai motor america (hyundai) is recalling certain 2017-2018 sonata, 2016-2018 sonata hybrid, 2018-2020 accent, and 2016-2017 azera 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."
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
NHTSA defect investigations
Loss of motive power
Summary
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 indicating that the subject vehicles were experiencing rapid loss of engine oil due to oil drain plug back outs, resulting in loss of motive power and/or catastrophic engine damage. Additional complaints were provided which alleged that the oil drain pans lack sufficient structural integrity and are
Electrical overstress
Summary
The office of defects investigation (odi) opened this investigation to determine if the failure of airbags to deploy during severe crashes, in certain vehicles, was the result of a safety related defect.â during the investigation a complex failure was studied that can result in non-deployment of subject vehicle air bags and other restraint system devices in severe crash events. The subject vehicles may be equipped with an airbag control unit (acu) for the supplemental restraint system (SRS) electronic control unit (ecu) manufactured by zf-trw. â the ecu receives signals from crash sensors mounted in the vehicle and deploys the vehicle air bags and seat belt pretensioners in accordance with m
Questions about the 2018 Hyundai Sonata
- What are the most common problems with the 2018 Hyundai Sonata?
- By NHTSA owner complaints: engine (224 complaints, typically around 24,000 miles); electrical (60 complaints, typically around 21,500 miles); other or unspecified (58 complaints, typically around 16,000 miles).
- How many recalls does the 2018 Hyundai Sonata have?
- 1 recall listed by NHTSA, the latest from August 6, 2021 (doors and locks). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2018 a bad year for the Hyundai Sonata?
- It is 12th of 27 Sonata model years by number of complaints, with 374 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.