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The worst 2018 Genesis G90 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Electrical5
- Engine4
- Fuel system2
- Transmission2
- Airbags1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Electrical5
- Engine4
- Fuel system2
- Transmission2
- Airbags1
- Body1
- Driver assistance1
- Locks1
- Tires1
Recalls 4
Engine and engine cooling: engine: gasoline: turbo/supercharger
- What is wrong
- Hyundai Motor America (Hyundai) is recalling certain 2018-2020 Genesis G80, 2017-2022 G90, and 2019-2022 G70 vehicles equipped with a 3.3-liter V6 turbocharged engine. The left turbocharger oil feed pipe may deteriorate and leak oil.
- Risk
- An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.
- Remedy
- Dealers will replace the left turbocharger oil feed pipe, free of charge. Owner notification letters were mailed May 3, 2024. Owners may contact Hyundai customer service at 1‑855‑371‑9460. Hyundai's number for this recall is 019G. This recall expands and replaces recall number 19V‑538. Vehicles previously repaired under 19V‑538 will need to have the new remedy completed.
Recall number 24V191000 · Recall details
Electrical system: starter assembly: solenoid
- What is wrong
- Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis, 2017-2019 Genesis G80, Genesis G90, and 2019 Genesis G70 vehicles. Water may enter the starter solenoid and cause an electrical short, which can result in an engine compartment fire while parked or driving.
- Risk
- An engine compartment fire while parked or driving can increase the risk of injury.
- Remedy
- Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will install a remedy relay kit in the engine junction box, free of charge. Owner notification letters were mailed July 15, 2024. Owners may contact Hyundai customer service at 1‑855‑371‑9460. Hyundai's numbers for this recall are 254(H) and 018G(G).
Recall number 24V107000 · Recall details
Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
- What is wrong
- Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 and 2017-2018 Genesis G90 vehicles equipped with 3.3 liter turbocharged engines. The turbocharger oil supply pipe may have a loose seal, causing oil to leak onto the exhaust manifold.
- Risk
- Oil leaking onto the exhaust manifold increases the risk of a fire.
- Remedy
- Hyundai will notify owners, and dealers will replace the turbocharger oil supply pipe, free of charge. The recall began October 3, 2019. Owners may contact Hyundai customer service at 1‑855‑371‑9460. Hyundai's number for this recall is 003G.
Recall number 19V538000 · Recall details
Visibility: glass, side/rear
- What is wrong
- Hyundai Motor America (Hyundai) is recalling certain 2018 Hyundai Genesis G80 and Genesis G90 vehicles. The windshield and rear window on these vehicles may have been installed with incorrect primer, potentially reducing the glass bonding strength.
- Risk
- If the glass bonding strength is reduced over time, the windshield and rear window may detach while driving, increasing the risk of a crash.
- Remedy
- Hyundai will notify owners, and dealers will replace the front and rear glass, free of charge. The recall began on July 6, 2018. Owners may contact Hyundai customer service at 1‑855‑371‑9460. Hyundai's number for this recall is 001G.
Recall number 18V305000 · Recall details
Technical service bulletins for the 2018 Genesis G90 68
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This bulletin provides information regarding condensation related to the accumulated moisture in the...
- 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...
- This bulletin provides information regarding condensation related to the accumulated moisture in the...
- Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point
- Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service...
- Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service...
- On certain 17-19MY G90 (HI) vehicles, the DIS2.0 head units may experience any of the following...
- This bulletin provides information to inspect and replace the front or rear wheel bearing hub assemblies...
- This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with...
What 2018 Genesis G90 owners say
Most recent owner complaints, unedited.
vehicle went dead. replaced the battery. Started after replacement but went dead a few days later. Towed to dublin CA genesis. Diagnosed as water corrosion to wiring harness. vehicle has less than 22000 miles, other than car washes and normal winter driving in CA. Genesis does have a recall for water intrusion the federal safety agency ID# 24v107000. I believe my issue is related to this recall but the dealership doesnt think so.
The contact owns a 2018 Genesis G90. The contact received notification of the federal safety agency Campaign Number: 24V107000 (Electrical System); however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was made aware of the issue and confirmed that parts were not yet available. The contact attempted to make the manufacturer aware of the issue; however, was unable to reach a representative. The contact had not experienced a failure. VIN tool confirms parts not available.
The contact owns a 2018 Genesis G90. The contact received notification of the federal safety agency Campaign Number: 24V107000 (Electrical System) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
The internal trunk release latch will not open the trunk. A person inside the trunk compartment may become trapped, increasing their risk of injury. - The trunk latch failed. It is available for inspection, upon request. - A person inside the trunk compartment may become trapped, increasing their risk of injury. - The problem has been confirmed by the dealer (Courtesy Hyundai in Tampa, FL) - The component has not been inspected by police, manufacturer, or others. - There are no warning lamps or messages prior to the problem occuring.
On 01/16/22 at approximately 2305 hours, I was driving north on PA 743. I was traveling approximately 40 MPH in a posted 55 MPH zone due to snowy weather conditions. One adult was in the front passenger seat, 2 children were in car seats in the rear driver and passenger side. The road was level and straight. Suddenly, for no apparent reason, every warning light in the dashboard illuminated at once. The LED screen was rapidly displaying messaged such as, "blind spot monitoring system malfunction, smart BDS braking system malfunction, check smart high beam, check PSB, shifter malfunction, traction control malfunction, ESC malfunction, ABS malfunction, etc...". Immediately after traction control malfunctioned, the vehicle violently fishtailed, as if on the receiving end of a PIT maneuver, and crossed over the south bound lane. It continued off of the roadway and into a ditch, stopping several feet away from a fence. At that point, nothing was functional. Restarting the vehicle multiple times did not remedy anything. The vehicle was towed to the dealership. After approximately two months, Genesis USA advised they were unable to find any issues with the vehicle and it would soon be available to be picked up. Both the dealership and a third party(hired by Genesis) inspected the vehicle . The results of the third party inspection were unavailable.
In the last 8,000 miles the car has stopped cold (about 15 times) when pulling out from a stop. When pulling out the car goes about 3 feet and stops dead. The gas pedal is dead for 1-2 sections, then it responds. The car has almost killed me and my wife several times. The car is under warranty and has been to dealer's service departments 3 times. They claim the computer does not show anything. They refused to attempt an inspection or do any repairs since they can not reproduce the problem and it does not show on their computer. I has contacted costumer service and have no success. THIS IS DANGEROUS SITUATION AND HAS THE CAPACITY TO KILL PEOPLE. This started happening soon after we purchased the vehicle on 02/15/20 and persists to 10/10/21.
Tl* the contact owns a 2018 genesis g90. The contact stated when stopped at a traffic light and attempting to accelerate, the vehicle hesitated for a few seconds before accelerating. The contact took the vehicle to the local dealer towne hyundai (3170 nj-10, denville, nj 07834) however, the mechanic was unable to duplicate the failure or retrieve a fault code. The failure persisted. The manufacturer was notified of the failure. The failure mileage was 19,677.
Car was completely dead three times, luckily it happened in garage, and was towed to dealer. Never fixed properly had to get rid of unreliable, unsafe car.
My car has been recalled pursuant to the federal safety agency recall number 19v‑538. Despite making four separate attempts, I have been unable to get genesis to perform the recall. The dealership from which I purchased the car has gone out of business. I have contacted the manufacturer twice, but despite promises, they have been unable to perform the necessary repair.
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Questions about the 2018 Genesis G90
Is the 2018 Genesis G90 reliable?
Owners have filed 16 complaints about the 2018 Genesis G90, 3.2 times a typical G90 model year.
What is the most common problem with the 2018 Genesis G90?
Electrical system, with 5 complaints. Next is engine (4).
How many recalls does the 2018 Genesis G90 have?
4 recalls, covering engine and engine cooling, electrical system and visibility.
Was there a recall on the 2018 Genesis G90 electrical?
Yes, 1 recall: 24V107000. Check your VIN to see if your car still needs the free repair.
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