2018 Genesis G90 Electrical system Problems
- Complaints
- 5about this part
- Share
- 31%of 16 total for the year
- Median mileage
- 14,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the electrical system of the 2018 Genesis G90, 31% of the 16 complaints for this model year. Where a mileage was given, the median is 14,000 miles. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is 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.
“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 NHTSA ID# 24v107000. I believe my issue is related to this recall but the dealership doesnt think so.”
NHTSA complaint #11603743, filed 2024-07“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. …”
NHTSA complaint #11458509, filed 2022-03“The contact owns a 2018 Genesis G90. The contact received notification of NHTSA 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.”
NHTSA complaint #11588425, filed 2024-05“The contact owns a 2018 Genesis G90. The contact received notification of NHTSA 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.”
NHTSA complaint #11598256, filed 2024-07Related recalls
- 24V107000Feb 13, 2024Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis, 2017-2019 Genesis G80, Genesis G90, and 2019 Genesis G70 vehicles. Water may enter the…Covers: Genesis G90 2017–2019, G80 2017–2019, Hyundai Genesis 2015–2016 +1 more
Related service bulletins
- 11017471Apr 29, 2025Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point. This bulletin provides a guide to inspect and replace the horns.
- 11017111Apr 7, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's…
- 11015936Mar 18, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s…
- 11008141Sep 26, 2024On certain 17-19MY G90 (HI) vehicles, the DIS2.0 head units may experience any of the following symptom(s): (1) Battery Drain, (2) Genesis Connected Services (GCS) Activation…
- 10241802Aug 7, 2023On certain 17-19MY G90 (HI) vehicles, the DIS2.0 head units may experience any of the following symptom(s): (1) Battery Drain, (2) Genesis Connected Services (GCS) Activation…
- 10203273Oct 5, 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…
- 10183956Nov 6, 2020Certain G80 and G90 Genesis vehicles may experience DTC code P0597 for âThermostat Heater Control Circuit/Openâ. This bulletin provides information on replacing the electric…
- 10174801Apr 9, 2020Certain Genesis G80 and G90 vehicles may experience the Shift By Wire (SBW) system slipping into Neutral when shifting from Reverse to Drive or Drive to Reverse. Replace the…
- 10173545Mar 18, 2020This bulletin describes the mandatory procedure to submit battery test data electronically for battery warranty claims by running the GDS Battery Claim App. The App must be run…
- 10163283Jun 11, 2019This bulletin aids with the general battery maintenance procedure TSB 19-EE-006H, but only applies to vehicles equipped with Blue Link SOC reporting ability.
Electrical system: other model years
Other parts of the 2018 Genesis G90
4 complaintsFuel system
2 complaintsOther or unknown
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsForward collision avoidance
1 complaintsLane departure
1 complaintsLatches, locks and linkages
1 complaintsBody and structure
1 complaintsTires
1 complaints
← All problems reported for the 2018 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