2018 Genesis G80 Engine cooling Problems
- Complaints
- 3about this part
- Share
- 3%of 98 total for the year
- Median mileage
- 49,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2018 Genesis G80, 3% of the 98 complaints for this model year. Where a mileage was given, the median is 49,000 miles. 2 recall campaigns on record are filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2018 Genesis G80. The contact stated that the Check Oil and Low Oil warning light illuminated while the vehicle was idling. The warning lights turned off while driving. The vehicle was not taken to the dealer or an independent mechanic to be repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 72,200.”
NHTSA complaint #11733225, filed 2026-04, 72,200 miles“The contact owns a 2018 Genesis G80. The contact stated that while driving approximately 35 MPH, there was white smoke coming from underneath the vehicle. The vehicle was later towed to the local dealer who diagnosed that the turbo pipe seal had failed causing oil to drip onto the exhaust manifold causing the white smoke. The contact was informed that the turbo charger oil supply pipe needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure. …”
NHTSA complaint #11514768, filed 2023-03, 45,000 miles“The contact owns a 2018 Genesis G80. The contact received notifications of NHTSA Campaign Numbers: 24V107000 (Electrical System) and 24V191000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repairs. The manufacturer was not made aware of the issue. The contact stated that the vehicle was taken for routine maintenance; however, upon leaving the repair center, while driving at an undisclosed speed, there was an alarm followed by the engine overheating. …”
NHTSA complaint #11591017, filed 2024-05, 49,000 milesRelated recalls
- 24V191000Mar 8, 2024Hyundai 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…Covers: Genesis G80 2018–2020, G90 2017–2022, G70 2019–2022
- 19V538000Jul 19, 2019Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 and 2017-2018 Genesis G90 vehicles equipped with 3.3 liter turbocharged engines. The…Covers: Genesis G80 2018, G90 2017–2018
Related service bulletins
- 10238378Jun 9, 2023Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary…
- 10238375Jun 9, 2023Certain 17-18MY Genesis G80 (DH) vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, an auxiliary…
- 10235568Apr 25, 2023Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboarding Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an…
- 10235567Apr 25, 2023Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary…
- 10191796Apr 26, 2021Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for âThermostat Heater Control Circuit/Openâ. This bulletin provides information on replacing the electric…
- 10190044Mar 30, 2021This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance…
- 10190040Mar 23, 2021This TSB describes the procedure to update the TCU to revise the diagnosis logic for OBD communication test.
- 10189989Mar 10, 2021This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
- 10165454Aug 9, 2019Genesis Motor America is conducting an Emissions Service Campaign to inspect, and if necessary, replace the oil cap on certain 2018MY G80 (DH) and G90 (HI) vehicles equipped with…
- 10158795Mar 5, 2019This bulletin provides the procedure to replace the O-ring to the automatic transmission fluid (ATF) warmer connector on some vehicles which may exhibit a coolant leak between…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 3 | 3% |
Other parts of the 2018 Genesis G80
22 complaintsOther or unknown
18 complaintsSteering
16 complaintsEngine
12 complaintsAir bags
9 complaintsWheels
9 complaintsBrakes
7 complaintsTransmission and drivetrain
5 complaintsBody and structure
4 complaintsTires
4 complaintsExterior lighting
2 complaintsSeats
2 complaints
← All problems reported for the 2018 Genesis G80
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology