2017 Genesis G90 Engine Problems
- Complaints
- 5about this part
- Share
- 19%of 26 total for the year
- Median mileage
- 91,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine of the 2017 Genesis G90, 19% of the 26 complaints for this model year. Where a mileage was given, the median is 91,000 miles.
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 check engine light keeps coming on. We had spark plugs changed and still keeps miss firing. We are unable to switch between drive modes smoothly. We have taken in for service numerous times.”
NHTSA complaint #11624649, filed 2024-11“I have replaced my thermostat four times in the last 18 months and I had it towed to the dealership again this morning for the same overheating problems.”
NHTSA complaint #11548992, filed 2023-10“The contact owns a 2017 Genesis G90. The contact stated that while driving at 50 MPH, the check engine warning light illuminated. The driver immediately pulled over. The vehicle was towed to the local dealer, where it was diagnosed, and it was determined that four crankshaft position sensors and the valve cover gasket needed to be replaced. The vehicle was repaired, but the failure recurred. The contact called the local dealer and was informed that the failure might be related to the timing chain. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. …”
NHTSA complaint #11682174, filed 2025-08, 100,000 miles“The contact owns a 2017 Genesis G90. The contact stated that while driving at an undisclosed speed, there was smoke coming from underneath the hood. The oil warning light intermittently illuminated. The vehicle was taken to an independent mechanic, who determined that the engine was leaking oil and advised the contact to take the vehicle to the dealer. The vehicle was then taken to the dealer, where it was diagnosed that there was oil leaking from the turbo chargers and the engine block. The contact was not aware of what needed to be replaced. The vehicle was not repaired. …”
NHTSA complaint #11559714, filed 2023-12, 82,000 miles“* Recall Campaign Number : [018G, 019G] I. Statement of Complaint This complaint concerns a failure in a critical safety-related component that was previously addressed under a mandatory manufacturer recall, and the subsequent refusal by the authorized dealership to provide a second no-charge repair for the same repeated failure. II. Chronology of Events * Original Recall Repair: Approximately thirteen (13) months ago, 8/30/2024 the vehicle was taken to Anaheim Hyundai to address a safety recall concerning the oil feed pipe. …”
NHTSA complaint #11691980, filed 2025-10Related service bulletins
- 10167734Oct 7, 2019This bulletin provides information regarding the changes in the timing chain and the crankshaft sprockets on certain Genesis G80 (DH) and Genesis G90 (HI) vehicles equipped with…
- 10167236Oct 7, 2019This bulletin provides information regarding the changes in the timing chain and the crankshaft sprockets on certain Genesis G80 (DH) and Genesis G90 (HI) vehicles equipped with…
- 10151885Nov 16, 2018This bulletin provides information related to an ECM (Engine Control Module) software update to improve starting performance. Perform this update if a vehicle is in for service…
- 10117921Jan 13, 2017Some Genesis G80/G90 will arrive from Ports with a box on the passenger floor containing a 4-Watt solar panel 12V battery maintainer. The solar panel is to be installed at PDI…
Engine: other model years
Other parts of the 2017 Genesis G90
6 complaintsEngine cooling
5 complaintsOther or unknown
4 complaintsBrakes
3 complaintsSteering
3 complaintsTransmission and drivetrain
3 complaintsWheels
2 complaintsAir bags
1 complaintsExterior lighting
1 complaintsForward collision avoidance
1 complaintsFuel system
1 complaintsTires
1 complaints
← All problems reported for the 2017 Genesis G90
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